Questions
This is a javascript assignment/study guide for an exam. There are 25 steps that are outlined...

This is a javascript assignment/study guide for an exam. There are 25 steps that are outlined by // comments...

<html>
<head>
<style type="text/css">
body {font-family:Comic Sans MS;}
</style>
<script language="javascript">
<!--
function fred()
{
//
// There are 25 questions related to the HTML objects shown on the page
// They are all in the form named "twocities".
//
// Each part of the assignment below instructs you to manipulate or examine
// the value of the HTML elements and place an answer in one
// of twenty-five span blocks that appear on this page.
//
// e.g., for span block named "ans1" you will say:
//
// ans1.innerHTML = "some string";
//
//
// the questions 1 through 15 below use the string value from the textarea named "begins"
// stored in a variable named "beg" like this:

beg=document.twocities.begins.value;
len_beg=beg.length;
//
// *** First remove all the periods, commas and hyphens from the "beg" string before you answer questions 1 through 15
//

//
// ***(1) how many words are the string named "beg"? (words not characters)
// *** show the answer in the span block with id = "ans1"
//

//
// ***(2) store words in the string "beg" in an array.
// *** show the first and last elements of the array in the span block with id="ans2"
//

//
// ***(3) show each word in the array produced in (2) above on one line separated by commas
// *** in the span block with id="ans3"
//

//
// ***(4) create a new string using the value of "beg" where all the characters are capitalized
// *** show the new string in the span block with id="ans4"
//

//
// ***(5) count the number of times the letters "a", "e", "i", "o", "u" appear in the string "beg"
// *** show these 5 counts on one line separated by commas in the span block with id="ans5"
//

//
// ***(6) show the location of each occurence of the character "e" in the string "beg"
// *** on one line separated by commas in the span block with id="ans6"
//

//
// ***(7) show the location where each word begins in the string named "beg"
// *** show the answers on one line separated by commas in the span block with id="ans7"
//


//
// ***(8) place the words in the string "beg" in a table with a one pixel border,
// *** with a gray backgound. Use only ten cells per row. Empty cells should contain
// *** the word "null". Show the table in the span block with id="ans8"
//

//
// ***(9) replace each occurence of the blank character in "beg" with the character "*"
// *** show the result in the span block with id="ans9"
//

//
// ***(10) sort the words in array created in (2) into alphabetical order
// *** show the results in the span block with id="ans10" on a single line
//

//
// ***(11) show the ASCII character number of each character in the string "beg"
// *** separate each value with a comma and place the result on a single line in the span block
// *** with id="ans11"
//

//
// ***(12) count the number of words in the string "beg" that have 2,3,4,5 or 6 characters
// *** show these five counts on a single line separated by commas in the span block with id="ans12"
//

//
// ***(13) create a new string that contains the words in the string "beg" in reverse order
// *** show this new string on a single line in the span block with id="ans13"
//

//
// ***(14) create a new string that contains the characters in the string "beg" in all capital letters
// *** show this new string on a single line in the span block with id="ans14"
//

//
// ***(15) store the number of times the letter "a" appears in the string "beg" in 1st location;
// *** store the number of times the letter "b" appears in the string "beg" in 2nd location;
// *** store the number of times the letter "c" appears in the string "beg" in 3rd location;
// *** store the number of times the letter "d" appears in the string "beg" in 4th location;
// *** etc.
// *** show the 26 counts on one line separated by commas in the span block with id="ans15"
//

//
// ***(16) Examine the radio buttons and produce a list of the three "values" of the radios buttons separated by commas on a single line
// in the span block with id="ans16"

//
// ***(17) Show the value of the radio button which is checked and its elements number separated by a comma on a line by itself
// *** in the span block with id="ans17"
//

//
// *** (18) Show the elements number and value of the six checkboxes in a six-row, two-column table with a 2 pixel border
// *** in the span block with id="ans18"
//

//
// ***(19) Examine the checkboxes and produce a list of the "values" of the checkboxes that are checked. Separated the values by commas on a single line
//

//
// ***(20) Show the values of all the options in the select (drop down menu) named "book3chapters" in an fifteen-column one row table with a 2 pixel border border
// *** in the span block with id="ans20"
//

//
// ***(21) Show the value of the select (drop down menu) named "book3chapters" which is selected and its selectedIndex value separated by a comma on a line by itself
// *** in the span block with id="ans21"
//

//
// *** Retrieve the value of the textarea named "beg" again and store it in a variable named "beg2", DO NOT REMOVE ANY CHARACTERS
// *** You will use this string for questions 22 and 23

//
// *** (22) Show the text phrases that are separated by commas in the string "beg2" . Each phrase should be on a line by itself.
// *** Place the result in the span block with id="ans22"
//

//
// *** (23) Capitalize the first letter of each phrase from #22 bove (phrases are separated by commas) in the original string "beg2".
// *** Place each phrase should be on a line by itself.
// *** Place the result in the span block with id="ans23"
//
//
// *** (24) Make the third radio button ("The Track of The Storm") checked.
// *** Make ALL six of the checkboxes be checked.
// *** Make the select named "book3chapters" (the drop down menu) show "Fifty-Two" as the selection
// *** Place the string "DONE!" in the span block with id="ans24"

//
// *** (25) Place the famous last line of the book (without quotes) in the span block with id="ans25"
//


}
-->
</script>
</head>
<body>
<CENTER>
<TABLE border="2" width="100%">
<TR><TD width="120" valign="middle" align="center" bgColor="#bbbbbb"><center><IMG align="top" alt="capt webb" border=2 src="captsm.gif"><BR><span STYLE="font-size:8px">Capt. Horatio T.P. Webb</span></center></TD>
<TD valign="middle" bgColor="#bbbbbb" colSpan="2" align="center"><center><B>ASSIGNMENT #1 Javascript<br>MIS 3371 Transaction Processing I<BR>Parks -- Spring 2016</B><BR><span STYLE="font-size:10px">Version 1 -- Last Updated 9:00 AM 1/12/2016</span></center></TD></TR></table></center>
The text used in this assignment is from Charles Dicken's novel "A Tale of Two Cities" written in 1859<br>Read it at the free online book site:<br>Project Gutenberg: <a href="http://www.gutenberg.org/cache/epub/98/pg98.txt">http://www.gutenberg.org/cache/epub/98/pg98.txt</a>
<form name="twocities">
<p>All the HTML elements below are in a form named "twocities". View "Source" to see the 25 questions.
<p>
<table border="1" cellspacing="0" width="100%">
<tr><td valign="top">1. The textarea below is named <b>begins</b><br>It contains the opening text of the book (form elements number 0)
<br><textarea style="margin:6px;" name="begins" rows="10" cols="80">It was the best of times, it was the worst of times,
it was the age of wisdom, it was the age of foolishness,
it was the epoch of belief, it was the epoch of incredulity,
it was the season of Light, it was the season of Darkness,
it was the spring of hope, it was the winter of despair,
we had everything before us, we had nothing before us,
we were all going direct to Heaven, we were all going direct the other way --
in short, the period was so far like the present period,
that some of its noisiest authorities insisted on its being received,
for good or for evil, in the superlative degree of comparison only.</textarea></td>
<td valign="top">2. The novel "A Tale of Two Cities" is divided into 3 books named below.<br>
There are 3 radio buttons below are named: <b>books</b><br>(form elements 1 &rarr; 3).
<br>Their values are: "1", "2" and "3"
<p><input type="radio" name="books" value="1" checked> Recalled To Life&nbsp;
<br><input type="radio" name="books" value="2"> The Golden Thread&nbsp;
<br><input type="radio" name="books" value="3"> The Track of The Storm&nbsp;
</td>
</tr>
<tr><td valign="top">3. The titles of the six chapters of the first book are shown below.
<br>The 6 checkboxes below are named: <b>c1</b> &rarr; <b>c6</b> (form elements 4 &rarr; 9). <br>
Their values are the same as the text that appear to the right of each checkbox.
<br>&nbsp;<input type="checkbox" name="c1" value="The Period">The Period
<br>&nbsp;<input type="checkbox" name="c2" value="The Mail" checked>The Mail
<br>&nbsp;<input type="checkbox" name="c3" value="The Night Shadows">The Night Shadows
<br>&nbsp;<input type="checkbox" name="c4" value="The Prepartion" checked>The Preparation
<br>&nbsp;<input type="checkbox" name="c5" value="The Wine Shop">The Wine-shop
<br>&nbsp;<input type="checkbox" name="c6" value="The Shoemaker" checked>The Shoemaker</b>
</td><td valign="top">4. The select (drop down menu) below is named <b>book3chapters</b>
<br>(form elements number 10).
<br>The fifteen options are the titles of the fifteen chapters in Book 3.
<br>The values of the 15 options are the same as the option text shown on the select below:
<p>
<select name="book3chapters">
<option value="In Secret">In Secret
<option value="The Grindstone">The Grindstone
<option value="The Shadow">The Shadow
<option value="Calm in Storm">Calm in Storm
<option value="The Wood-sawyer">The Wood-sawyer
<option value="Triumph">Triumph
<option value="A Knock at the Door">A Knock at the Door
<option value="A Hand at Cards">A Hand at Cards
<option value="The Game Made">The Game Made
<option value="The Substance of the Shadow">The Substance of the Shadow
<option value="Dusk">Dusk
<option value="Darkness">Darkness
<option value="Fifty-two">Fifty-two
<option value="The Knitting Done">The Knitting Done
<option value="The Footsteps Die Out For Ever">The Footsteps Die Out For Ever
</select></b></td></tr></table>
</form>
<p>
<ol>
<li><span id="ans1">Contents of the span block with id="LuL"</span>
<li><span id="ans2">Contents of the span block with id="ans2"</span>
<li><span id="ans3">Contents of the span block with id="ans3"</span>
<li><span id="ans4">Contents of the span block with id="ans4"</span>
<li><span id="ans5">Contents of the span block with id="ans5"</span>
<li><span id="ans6">Contents of the span block with id="ans6"</span>
<li><span id="ans7">Contents of the span block with id="ans7"</span>
<li><span id="ans8">Contents of the span block with id="ans8"</span>
<li><span id="ans9">Contents of the span block with id="ans9"</span>
<li><span id="ans10">Contents of the span block with id="ans10"</span>
<li><span id="ans11">Contents of the span block with id="ans11"</span>
<li><span id="ans12">Contents of the span block with id="ans12"</span>
<li><span id="ans13">Contents of the span block with id="ans13"</span>
<li><span id="ans14">Contents of the span block with id="ans14"</span>
<li><span id="ans15">Contents of the span block with id="ans15"</span>
<li><span id="ans16">Contents of the span block with id="ans16"</span>
<li><span id="ans17">Contents of the span block with id="ans17"</span>
<li><span id="ans18">Contents of the span block with id="ans18"</span>
<li><span id="ans19">Contents of the span block with id="ans19"</span>
<li><span id="ans20">Contents of the span block with id="ans20"</span>
<li><span id="ans21">Contents of the span block with id="ans21"</span>
<li><span id="ans22">Contents of the span block with id="ans22"</span>
<li><span id="ans23">Contents of the span block with id="ans23"</span>
<li><span id="ans24">Contents of the span block with id="ans24"</span>
<li><span id="ans25">Contents of the span block with id="ans25"</span>
</ol>
<br><input type="button" value="this button executes the function fred()" onClick="fred()">
</body>
</HTML>

In: Computer Science

Of the 5 lessons identified in this article, which one do you believe is the most important one for businesses to follow? (Select just one). Explain your answer and be specific.

5 Lessons Learned from the Mattel Product Recalls of 2007:

Learning from the faults of others can be a useful training tool. However, when it’s your company’s name being tossed around in discussions of what not to do, you need to do something…fast. In 2007, toy company Mattel embarked on four major product recalls. The recalls were the result of large quantities of lead found in the paint used in a number of their products. Mattel, like many other companies, uses contractors in China to manufacture products. This case raises supply chain concerns, bringing to light the importance of quality control and keeping an eye on the actions of your overseas operations and partners.

Here are 5 key lessons learned from the crisis at Mattel:

1. Always Act Fast

A quick reaction won't solve all of your problems, but failing to do so, will open up a new can of worms to deal with.

Confront the issues, don’t hide from them. In Mattel’s case, the company was very public about the recalls and the CEO even issued a public apology. A quick reaction makes it easier for companies to cope with and take control of the situation. Reacting quickly helps companies score ā€œbonus pointsā€ with the public, slightly reducing the negative impact that the recall has on the company’s reputation. When companies are slow to react or spend most of their time placing blame on others, the public reacts negatively, criticizing companies for their negligence and irresponsibility. A quick reaction won’t solve all of your problems, but failing to do so, will open up a new can of worms to deal with.

2. Keep an Eye on Your Supply Chain

To save on costs, Mattel has shipped manufacturing overseas to China. Having multiple offices and operation sites makes it difficult to keep an eye on day-to-day operations. According to the Financial Times Press article ā€œTrouble in Toyland: New Challenges for Mattel–and ā€˜Made in China’,ā€ one of the main issues in the lead paint crisis at Mattel was that the Chinese contractors had subcontracted the painting of the toys to another company that used inferior and unauthorized products. A lot of companies get caught in similar traps.

3. Take Responsibility

Be the bigger person and take the blame- public finger pointing isn’t going to get you anywhere. In the Reuters article ā€œMattel Sued Over Toy Recall,ā€ it was reported that Mattel’s CEO stated that the company was increasing the aggressiveness of toy testing methods, which would likely result in additional recalls as a precautionary measure.

4. Tighter Regulations and Inspections

In the Wall Street Journal article, ā€œMattel Settles Suit Over Lead in China-Made Toys,ā€ author John Kell writes:

ā€œToy makers were hurt by a number of product recalls in 2007, leading to millions of dollars in costs for testing, legal expenses, advertising and product returns. Mattel recalled millions of toys that year, including those produced under licenses for characters including Elmo, Big Bird, Barbie and Polly Pocket. The issue later led to mandatory federal toy-safety standards, which included testing and tough new regulations for lead and chemicals in products intended for children under 12.ā€

5. Take Action and Communicate

During a crisis, such as the one experienced by Mattel, a lot of business leaders say that changes are going to be made and policies will be followed more consistently- but do they actually follow up on their word once the storm has passed? Don’t say something just to look good in front of the public, they will know if you mean it or not. I recommend giving weekly updates and using the power of social media to communicate to consumers about the progress your company makes as it works toward a solution. If 100 products have been tested, let the public know. There are enough resources available to you today to control the media and communicate your commitment to your consumers. It’s never more important than in a time of crisis to communicate and reassure the public that things will be alright.

Question:

Of the 5 lessons identified in this article, which one do you believe is the most important one for businesses to follow? (Select just one). Explain your answer and be specific.

In: Economics

Personal Trainer, Inc. owns and operates fitness centers in a dozen Midwestern cities. The centers have...

Personal Trainer, Inc. owns and operates fitness centers in a dozen Midwestern cities. The centers have done well, and the company is planning an international expansion by opening a new ā€œsupercenterā€ in the Toronto area.

Background

Cassia Umi, president, heads Personal Trainer’s management team. Three managers report to her at the firm’s Chicago headquarters: Janet McDonald, manager, finance; Tai Tranh, manager, sales and marketing; and Reed Curry, manager, operations. The managers who run the 12 existing centers all report to Reed. Cassia wants the new supercenter to emphasize a wide variety of personal services and special programs for members. If the supercenter approach is successful, it will become the model for Personal Trainer’s future growth. Cassia personally selected Gray Lewis, a manager with three years of fitness center experience, to run the new facility.

The new supercenter will feature a large exercise area with state-of-the-art equipment, a swimming pool, a sporting goods shop, a health food store, and a snack bar. In addition, the center will offer child care with special programs for various ages, a teen center, and a computer cafƩ. Cassia also wants members to have online access to customized training programs and progress reports.

Personal Trainer currently uses BumbleBee, a popular accounting package, to manage its receivables, payables, and general ledger. Membership lists and word processing are handled with Microsoft Office products.

Cassia believes the new supercenter will require additional data management capability, and she decided to hire Patterson and Wilder, an IT consulting firm, to help Personal Trainer develop an information system for the new operation. The firm assigned Susan Park, an experienced consultant, to work with the Personal Trainer team. Susan’s first task was to learn more about business operations at the new center, so she requested a meeting with Gray. After some small talk, the discussion went like this:

Susan: Tell me about your plans for the new operation. I’m especially interested in what kind of information management you’ll need.

Gray: Cassia thinks that we’ll need more information support because of the size and complexity of

the new operation. To tell the truth, I’m not so sure. We’ve had no problem with BumbleBee at

the other centers, and I don’t really want to reinvent the wheel.

Susan: Maybe we should start by looking at the similarities — and the differences — between the new

center and the existing ones.

Gray: Okay, let’s do that. First of all, we offer the same basic services everywhere. That includes the exercise equipment, a pool, and, in most centers, a snack bar. Some centers also sell sporting goods, and one offers child care but not child-fitness programs. It is true that we’ve never put all this together under one roof. And, I admit, we’ve never offered online access. To be honest, I’m not absolutely sure what Cassia has in mind when she talks about 24/7 Web-based access. One more feature — we plan to set up two levels of membership — let’s call them silver and gold for now. Silver members can use all the basic services, but will pay additional fees for some special programs, such as child fitness. Gold members will have unlimited use of all services.

Susan: So, with all this going on, wouldn’t an overall system make your job easier?

Gray: Yes, but I don’t know where to start.

Susan: Gray, that’s why I’m here. I’ll work with you and the rest of the team to come up with a solution that supports your business.

Gray: Sounds good to me. When can we start?

Susan: Let’s get together first thing tomorrow. Bring along an organization chart and think about how you plan to run the new facility. We’ll try to build a model of the new operation so we can identify the business functions. When we know what the functions are, we’ll know what kind of information is needed or generated by each function. That will be our starting point.

Tasks

  1. Each new supercenter service represents a business function, which is composed of one or more business processes. Using the background information and the conversation Susan and Gray, list the business functions and processes within each function.

In: Computer Science

For this project you will estimate parameters using confidence intervals. For each confidence interval, make sure...

For this project you will estimate parameters using confidence intervals. For each confidence interval, make sure you report  

  • The confidence interval limits rounded as directed (Use StatCrunch to find all confidence interval limits. Use Stat>Proportion Stats to find confidence interval limits for proportions. Use Stat>T Stats to find confidence interval limits for means.) Refer to the resources on the course home page for more information about confidence intervals and how to find them using StatCrunch.
  • An interpretation of the confidence interval.

Here is a template for reporting the answer for a sample problem.

Sample problem:

Find a 95% confidence interval for the proportion of all people who use their smart phones to watch movies.

Related Question: Does it appear 50% of all people use their smart phones for watching movies?

Interval Limits: 0.255 to 0.488

Interpretation: "I am 95% confident the interval from 0.255 to 0.488 contains the true value of the population proportion of people who use their smart phone to watch movies."

Related Question Answer: No, because 0.50 does not fall within the interval limits, therefore, 50% is not a plausible value for the proportion of all people who use their smarth phones to watch movies.

*******************************************************************************************************

Use the class data to find the confidence intervals described below. Type your answers in a Microsoft Word or rich text format document making sure you clearly show your answers for each problem and upload your document to submit your work. Use the Grapevine Online Statistics Data File in StatCrunch shared by user sgrapevine. Assume this data is representative of all online students. Round the interval limits as directed. Each problem is worth a total of 6 points (2 points for reporting the correct confidence interval limits, 2 points for providing a correct interpretation of the confidence interval, 1 point for answering the related question, and 1 point for explaining why or why not for each related question). You can also earn 1 point for rounding as directed for a total of 43 points. Note, this is not a team project. You must submit your own original work!

1) Find a 90% confidence interval for the mean hours of sleep online students typically get on a weekendnight. Round the interval limits to the nearest tenth.

Related Question: Is there strong evidence the average online student gets more than 7 hours of sleep on a weekend night? Why or why not?

2) Find a 95% confidence interval for the proportion of all online students that will call "heads" will given the option to call a coin toss. Round the interval limits to the nearest thousandth.

Related Question: Is it plausible that heads and tails are called equally when online students are asked to call a coin toss? Why or why not?

3) Find a 99% confidence interval for the mean foot length for all online students. Round the interval limits to the nearest tenth.

Related Question: Is there strong evidence the average foot length for all online students is different from 25 cm? Why or why not?

4) Find a 95% confidence interval for the mean number of letters in the last names of all online students. Round the interval limits to the nearest tenth.

Related Question: Is there strong evidence the average online student have a last name length of less than 10 letters? Why or why not?

5) Find a 90% confidence interval for the proportion of all online students who think dogs are the best pet. Round the interval limits to the nearest thousandth.

Related Question: Does it appear a majority (over 50%) of all online students think dogs make the best pet? Why or why not?

6) Find a 99% confidence interval for the proportion of all online students that pick the number 3 when asked to pick a number between 1 and 5. Round the interval limits to the nearest thousandth.

Related Question: Does it appear all online students select numbers randomly, that is, in this situation, is there strong evidence every number including the number 3 has the same 20% chance of being selected? Why or why not?

7) Find a 95% confidence interval for the proportion of all online students that have brown eyes. Round the interval limits to the nearest thousandth.

Related Question: Is it plausible 25% of all online students have brown eyes? Why or why not?

In: Statistics and Probability

One Sample ttest: The population average length of friendships with their closest female friend is known...

One Sample ttest:

The population average length of friendships with their closest female friend is known (µ= 69.61) but the population variance is unknown. As we learned from the text and the PPTs, we know these research situations require the use of the One Sample tTests. Here are the researchers’ hypotheses:

  1. The researchers think that our group of 100 females will score differently than the population on the length of the friendship with their closest female friend.

Use the SPSS data to make conclusions.

Part 1—The Analyses

  1. For this test you would run a One Sample tTests: one for ā€œLength of the friendship with their closest female friend.ā€ To do that, follow the instruction in Chapter 7. Here is an example and the output:

T-Test

One-Sample Statistics

N

Mean

Std. Deviation

Std. Error Mean

Length of Closest Female Friendship

100

82.16

53.183

5.318

One-Sample Test

Test Value = 69.61                                   

T

df

Sig. (2-tailed)

Mean Difference

95% Confidence Interval of the Difference

Lower

Upper

Length of Closest Female Friendship

2.360

99

.020

12.550

2.00

23.10

Dependent (Paired) Sample ttest:

The researchers know that the rating of intimacy and emotional support will be similar. Because these ratings are made by the same people on the same friend, the scores are linked. As we learned from the text and the PPTs, we know these research situations require the use of the Paired Sample tTests.  Here are the researchers’ hypotheses:

  1. The researchers think that our group of 100 females will rate intimacy and emotional support the same.  

Use the SPSS data to make conclusions.

Part 1—The Analyses

  1. For this assignment, I ran a Paired Sample tTests for Intimacy and Emotional Support. Here is an example and the output:

T-Test

Paired Samples Statistics

Mean

N

Std. Deviation

Std. Error Mean

EmoSupport

56.44

100

8.272

.827

Intimacy

58.36

100

6.887

.851

Paired Samples Test

Paired Differences

t

df

Sig. (2-tailed)

Mean

Std. Deviation

Std. Error Mean

95% Confidence Interval of the Difference

Lower

Upper

Pair 1

Intimacy - EmoSupport

1.920

5.382

.538

.852

2.988

3.568

99

.001

Part 2—The APA Write-Up Instructions

                  The American Psychological Association (APA) has standards for how statistical results should be presented.  While the actual word choice varies, there are several essential components that are common among all presentations of statistical results and interpretations.  Use the following instructions for ALL APA write-ups required for this course:

For each analysis, use the following steps to write a complete description of results in proper APA format.

  1. State what hypothesis was tested.
  2. State what test was used.
  3. What decision did you make? Reject the null or retain (fail to reject) the null.
  4. Were the groups significantly different from each other?
  5. Report the means and standard deviations for each group.
  6. Put numbers in APA format:
    1. General Format: symbol for the test (df)= obtained value, p> or < significance level
    2. Specific for tTests: t(99)=1.98, p<.05
  7. Report Effect Size (if known)

Example:

         Adolescent males were expected to score significantly higher on a measure of aggression than were adolescent females. An independent ttest was used to test the hypothesis leading to the rejection of the null hypothesis. Adolescent males (M=14.67, SD=2.35) were significantly more aggressive than were adolescent females (M=9.65, SD=1.59), t(78)=3.93, p<.05.

Since we ran 2 analyses, you will need to do 2 write-ups for this assignment.

Analysis for One Sample ttest:

  1. Answer the following questions
    1. What is the null hypothesis tested?
    2. Why is the One Sample tTest the correct test to use?
    3. Write up the results for the One Sample tTest you ran for Length of the friendship with their closest female friend below:  

Analysis for Dependent (Paired) ttest:

  1. Answer the following questions
    1. What is the null hypothesis tested?
    2. Thinking about the original research hypothesis, does the researcher want to retain or reject the null in this case? Why?
    3. Write up the results for the Paired Sample tTest you ran Intimacy and Emotional Support below:  

In: Statistics and Probability

Let A∈Mn(R)"> A ∈ M n ( R ) A∈Mn(R) such that I+A"> I + A I+A is invertible. Suppose that

Let A∈Mn(R)">A∈Mn(R) such that I+A">I+A is invertible. Suppose that

B=(Iāˆ’A)(I+A)āˆ’1">B=(Iāˆ’A)(I+A)āˆ’1

(a) Show thatĀ B=(I+A)āˆ’1(Iāˆ’A)">B=(I+A)āˆ’1(Iāˆ’A)Ā 

(b) Show thatĀ I+B">I+BĀ is invertible and expressĀ A">AĀ in terms ofĀ B">B.

In: Math

Answer the following questions showing all work. Full credit will not be given to answers without...

Answer the following questions showing all work. Full credit will not be given to answers without work shown. If you use Minitab Express or StatKey include the appropriate output (copy + paste). If you do hand calculations show your work using the Word equation editor. Clearly identify your final answers. Output without explanation will not receive full credit and answers with no output or explanation will not receive full credit. Round all answers to 3 decimal places. If you have any questions, post them to the course discussion board.

1. A STAT 200 instructor wants to know if her students tend to score higher on the midterm exam than on the final exam. Data were collected from a representative sample of 46 students during the Fall 2017 semester. Data were paired by student. The mean difference, computed as midterm - final, was 1.3632 points with a standard deviation of 3.6362 points. [55 points]

A. In Minitab Express, conduct a paired means t test to determine if there is evidence that midterm exam scores are higher than final exam scores in the population of all STAT 200 students. Use the five-step hypothesis testing procedure and remember to include all relevant Minitab Express output. You should not need to do any hand calculations.

Step 1: Check assumptions and write hypotheses

Step 2: Calculate the test statistic

Step 3: Identify the p value

Step 4: Make a decision

Step 5: State a ā€œreal worldā€ conclusion

B. In Minitab Express, conduct a single sample mean t test given a sample size of 46, sample mean of 1.3632, and sample standard deviation of 3.6362 to determine if there is evidence that the population mean is greater than 0. Use the five-step hypothesis testing procedure and remember to include all relevant Minitab Express output. You should not need to do any hand calculations.

Step 1: Check assumptions and write hypotheses

Step 2: Calculate the test statistic

Step 3: Identify the p value

Step 4: Make a decision

Step 5: State a ā€œreal worldā€ conclusion

C. Explain why your test statistic and p-value were the same in parts B and C.

D. What minimum sample size would be necessary to construct a 95% confidence interval for the mean difference in midterm and final exam scores with a margin of error of 0.5 point? Show all work using the equation editor.

2. Download the BodyTemp.MTW file from Canvas. We will be comparing the body temperatures of men and women. [30 points]

A. Make a graph to compare the distributions of men and women’s body temperatures.

B. Use Minitab Express to determine if there is evidence that the mean body temperatures of men and women are different. The coding of gender is 0=man and 1=woman. Assume that the distribution of the body temperature data is normal. Use the five-step hypothesis testing procedure and remember to include all relevant Minitab Express output. You should not need to do any hand calculations.

Step 1: Check assumptions and write hypotheses

Step 2: Calculate the test statistic

Step 3: Identify the p value

Step 4: Make a decision

Step 5: State a ā€œreal worldā€ conclusion

3. A random sample of Penn State World Campus undergraduate and graduate students were contacted and data concerning their gender identities were recorded. In a random sample of 40 undergraduate students, 21 identified as men and 19 identified as women. In a random sample of 40 graduate students, 17 identified as men and 23 identified as women. [15 points]

A. Is it appropriate to use the normal approximation method here to construct a confidence interval for the difference in population proportions? Show your work.

B. Construct a 95% confidence interval to compare the proportion of undergraduate students who identify as men to the proportion of graduate students who identify as men. If assumptions were met in part A, use the normal approximation method. Do not do any calculations by hand. Use Minitab Express and remember to copy+paste all relevant output and to clearly identify your final answer.

In: Statistics and Probability

43 Inferential statistics, or hypothesis testing (i.e., t-tests, ANOVA, etc.), involves a comparison between which two...

43 Inferential statistics, or hypothesis testing (i.e., t-tests, ANOVA, etc.), involves a comparison between which two elements?

  • A. Research results from a sample and hypotheses about a population.
  • B. Research results from a population and hypotheses about a sample.
  • C. Research results from a sample and hypotheses about a sample.
  • D. Research results from a population and hypotheses about a population.

4

A researcher wants to examine the effectiveness of different types of classroom instruction on students’ test performance. He designed two types of instruction for two different samples of students. Afterwards, both samples were given the same performance test and the test averages were compared. What statistical test should be used by the researcher to analyze the results of this study?

  • A. t-test for repeated measures (dependent samples).
  • B. One-factor ANOVA for independent samples.
  • C. t-test for independent samples.
  • D. Pearson Correlation

5 Dr. P assessed the relationship between the cost of different bottles of wine and the tastiness of the wine. Using a Pearson correlation test, the results of the study were r = -.32, n = 14, p >.05. Based on these results, which of the following is a correct conclusion.

  • A. There is no significant correlation between the cost and tastiness of wine.
  • B. There is a significant positive correlation between the cost and tastiness of wine.
  • C. There is a significant negative correlation between the cost and tastiness of wine.
  • D. Cannot be determined without additional information.

6 A researcher conducted a study and analyzes the data using an independent samples t-test. The results of the t-test were t(38) = 3.45, p <.05 and Cohen’s d = 0.80. Based on these results, which of the following would be a correct conclusion?

  • A. There was a significant difference, with a small effect size.
  • B. There was a significant difference, with a large effect size.
  • C. There was no significant difference, with a small effect size.
  • D. There was no significant difference, with a large effect size.

7

Which of the following is an accurate definition of Type I error in hypothesis testing?

  • A. Failing to reject a true null hypothesis.
  • B. Failing to reject a false null hypothesis.
  • C. Rejecting a true null hypothesis.
  • D. Rejecting a false null hypothesis.

8 A researcher used a sample of n=200 students to determine whether there are any significant differences in preference for five new exercise apps. Each participant was asked to upload and try each app and select his/her favorite. The number of students who favor each app was recorded. In order to test if there are any significant differences in preference for the new exercise apps, what statistical test should be used by the researcher?

  • A. Two-factor ANOVA for independent samples.
  • B. t-test for independent samples.
  • C. Chi-Square test for Goodness of Fit.
  • D. Chi-Square test for Independence.
  • E. One-factor ANOVA for independent samples.
  • F. Pearson correlation.

9 A research article reports the following: ā€œThe mean performance scores for Normal Sleep, Reduced Sleep, and No Sleep groups were 23.0, 16.6, and 11.6 respectively, F(2, 36) = 4.95, p < .05.ā€ Based on this information, which conclusion is most accurate?

  • A. There are some significant differences in performance among people who differ in amount of sleep.
  • B. There are no significant differences in performance among people who differ in amount of sleep.
  • C. People who sleep a reduced amount perform significantly worse than people who sleep a normal amount.
  • D. People who get no sleep perform significantly worse than those who sleep a reduced amount.

50 Which of the following research examples could use a t-test for dependent samples (i.e., t- repeated-measures) for data analysis?

  • A. A comparison of participants’ scores on attention focus test before and after attending a training session that was expected to improve the attention focus skill.
  • B. A comparison of scores of participants in a memory study in which one group is assigned to learn the words in alphabetical order and another group is assigned to read the words in order of length of the word.
  • C. A comparison of SAT scores of a group of 10 students who completed a special SAT preparation course compared to how people score on the SAT in general.
  • D. None of the above.

In: Statistics and Probability

Financial statement analysis is the process of analyzing a company's financial statements to make better economic...

Financial statement analysis is the process of analyzing a company's financial statements to make better economic decisions. The process for financial statement analysis includes specific techniques for evaluating risks, performance, and future prospects of an organization.

Directions

This Assessment is separated into four parts. In Part 1 of this Assessment, you will begin by researching and summarizing four of the benefits of financial analysis and indicating which is the most significant to you. In Part 2 of this Assessment, you will define the ratios listed. In Part 3 of this Assessment, you will classify, calculate, and explain the significance of Liquidity, Profitability, and Market Value financial ratios, and provide a year to year comparison of assessed financial trends. In Part 4 of this Assessment, you will compose an analytical essay in a minimum of 350 words reporting the one financial measurement trend you find to be most significant and actions necessary to improve results.

Use this Word template provided to complete your Assessment.

Questions

Part 1.

Locate and read the following article located from the Library:

Faello, J. (2015). Understanding the limitations of financial ratios. Academy of Accounting & Financial Studies Journal, 19(3), 75–85.

Refer to pages 75 and 76 of Faello’s (2015) work. In four separate paragraphs (one for each question), summarize four of the benefits of financial analysis mentioned in the journal article. In one paragraph, describe which one of the four benefits you consider to be most significant.

Review the following financial data, and then answer the questions below.

Company X Income Statement

FYE 2014 and 2015

Period Ending

31-Jan-15

31-Jan-14

Total Sales

$ 485,651,000

$ 476,294,000

Cost of Goods

365,086,000

358,069,000

Gross Profit

120,565,000

118,225,000

Selling General and Administrative

93,418,000

91,353,000

Operating Profit

27,147,000

26,872,000

Total Other Income/Expenses Net

113,000

119,000

Earnings Before Interest And Taxes

27,034,000

26,753,000

Interest Expense

2,461,000

2,335,000

Income Before Tax

24,573,000

24,418,000

Income Tax Expense

7,985,000

8,105,000

Net Income From Continuing Ops

16,588,000

16,313,000

Discontinued Operations

285,000

144,000

Net Income (Net Profit)

$   16,303,000

$   16,169,000

14,000,000 shares outstanding

Market Share price per share

$10.00

$9.00

Company X Balance Sheet

FYE 2014 and 2015

Period Ending

31-Jan-15

31-Jan-14

Assets

Current Assets

Cash and Cash Equivalents

$9,135,000

$7,281,000

Net Receivables

6,778,000

6,677,000

Inventory

45,141,000

44,858,000

Other Current Assets

2,224,000

2,369,000

Total Current Assets

63,278,000

61,185,000

Property Plant and Equipment

116,655,000

117,907,000

Goodwill

18,102,000

19,510,000

Other Assets

5,671,000

6,149,000

Total Assets

203,706,000

204,751,000

Liabilities

Current Liabilities

Accounts Payable

58,583,000

57,174,000

Short/Current Long Term Debt

6,689,000

12,082,000

Other Current Liabilities

-

89,000

Total Current Liabilities

65,272,000

69,345,000

Long Term Debt

43,692,000

44,559,000

Deferred Long Term Liability Charges

8,805,000

8,017,000

Minority Interest

4,543,000

5,084,000

Total Liabilities

122,312,000

127,005,000

Miscellaneous Stocks Options Warrants

0

0

Common Stock

323,000

323,000

Retained Earnings

85,777,000

76,566,000

Capital Surplus

2,462,000

2,362,000

Other Stockholders Equity

-7,168,000

-1,505,000

Total Stockholders’ Equity

81,394,000

77,746,000

Total Liabilities + Stockholders’ Equity

$ 203,706,000

$ 204,751,000

Number of Shares Outstanding

14,000,000

14,000,000

Market Share price per share

$10.00

$9.00

Part 2.

Define the ten financial ratios below.

Financial Ratios:

Financial Ratios:

Current Ratio is equal to Current assets / Current Liability

2014: 61,185,000 / 69,345,000 = 96.95%

Quick Ratio) (Cash and cash equivalents + Current receivable) / Current Liability

2014: 7,281,000 + 6,677,000 / 69,345,000 = 20.13%

2015: 9,135,000 = 6,778,000 / 65,272,000 = 24.38%

Accounts Receivable Turns) Net Credit Sales / Average Accounts Receivable

485651000 / 6,727,500 = 72.19

Accounts Payable Turns

Return on Equity) Net Income / Shareholder’s equity

16,303,000/81,394,000 = 20.03%

Return on Assets

Operating Profit Margin

Net Profit (after tax) Margin

Earnings per Share

Price to Earnings

In: Accounting

Question 1: Activity-Based Costing (ABC) Doris Ltd manufactures two models of medical devices for blood testing...

Question 1: Activity-Based Costing (ABC)

Doris Ltd manufactures two models of medical devices for blood testing as follows: N80 and N90. The company is currently using the traditional (absorption) costing method and overhead is applied to the products based on the number of units. Doris Ltd has decided to adopt activity-based costing (ABC) in the coming year. The company data concerning the current period’soperations appear below:

N80

N90

Units produced

60,000

10,000

Number of parts needed (per unit)

12

20

Price of parts (per part)

$8

$6

Time per unit (minutes)

10

15

Labour hourly rate

$18

$20

From the company’s management information system, you extract the following information on activities, costs and activity drivers for the current period:

Activity

Expected Cost

Batch level activities:

Machine set-up (number of machine set-ups)

$165,000

Materials ordering (number of orders)

$180,000

Machine hours (machine hours)

$120,000

Injection moulding (injection moulding batches)

$18,000

Product level activities:

Product design (number of product designs)

$10,000

Product requisitions handling (number of product requisitions)

$90,000

Customer level activities:

Customer order (number of customer orders)

$9,000

Facility level activities:

Security (square metres of facilities)

$36,000

Total Overhead

$628,000

Activity drivers for the current period

N80

N90

Number of machine set-ups

100

200

Number of orders

2,000

3,000

Machine hours

8,000

12,000

Injection moulding batches

8

2

Number of product designs

20

30

Number of product requisitions

12,000

6,000

Number of customer orders

200

250

Square metres of facilities

1,200

1,800

5

Question 1 continued:

Required:

  1. Compute the predetermined overhead rate under the current absorption costing method and determine the full unit product cost of each product. Round the unit costs and all other costs to 4 decimal places.

  2. Determine the full unit product cost of each product using the activity-based costing approach. Round the unit costs and all other costs to 4 decimal places.

    (Total marks for the question 32 marks)

Enter your answers for the following sub-questions in Part A on Canvas. Enter all your answers as numbers without the $ sign. Ensure you show the working for all sub-parts in your Part B Word document.

NO

Sub-question

Marks

1

How much is the overhead rate per unit for N80 under current traditional costing?

2

2

How much is the overhead rate per unit for N90 under current traditional costing?

2

3

How much is the full product cost per unit for N80 under current traditional costing?

2

4

How much is the full product cost per unit for N90 under current traditional costing?

2

5

How much is the Unit level overhead rate per unit for N80 under ABC?

2

6

How much is the Unit level overhead rate per unit for N90 under ABC?

2

7

How much is the Batch level overhead rate per unit for N80 under ABC?

2

8

How much is the Batch level overhead rate per unit for N90 under ABC?

2

9

How much is the Product level overhead rate per unit for N80 under ABC?

2

10

How much is the Product level overhead rate per unit for N90 under ABC?

2

11

How much is the Customer level overhead rate per unit for N80 under ABC?

2

12

How much is the Customer level overhead rate per unit for N90 under ABC?

2

13

How much is the Facility level overhead rate per unit for N80 under ABC?

2

14

How much is the Facility level overhead rate per unit for N90 under ABC?

2

15

How much is the Full unit cost per unit for N80 under ABC?

2

16

How much is the Full unit cost per unit for N90 under ABC?

2

Total marks for the question

32

In: Accounting