Questions
1. An advertisement for a food product states: "This product has 50% less calories." This is...

1. An advertisement for a food product states: "This product has 50% less calories." This is an example of

a) ambiguous averages b) detached statistics c) changing the subject d) faulty survey questions

2. For the claim, "4 out of 5 dentists recommend sonicare" you should consider

a) ambiguous averages b) detached statistics c) changing the subject d) suspect samples

3. Vitamin E is a proven antioxidant and may help in fighting cancer and heart disease.

This claim is an example of

a) implied connection b) detached statistics c) changing the subject d) faulty survey questions

4. Statistics can be misused. It is important to consider many factors when making decisions based on the results of research studies and or surveys.

True or False

5. In a frequency distribution the classes need to

a) have the same frequency b) have a maximum of 10 values c) be mutually exclusive aka no overlaps d) have different widths

6. In a medical study, a researcher wished to estimate the average length of time needed for a particular nurse-in-training to draw a series of blood specimens. A sample of the nurse's work over several months yielded the following times: 10, 6, 5, 14, 6, and 13 (in minutes). Calculate x bar, the sample average

a) 9 min b) 10 min c) none

7.

In a medical study, a researcher wished to estimate the average length of time needed for a particular nurse-in-training to draw a series of blood specimens. A sample of the nurse's work over several months yielded the following times: 10, 6, 5, 14, 6, and 13 (in minutes). This sample has less than 30 observational units, which means the population must be bell-shaped in order to generalize. Let's say we have a random sample, what other factors do we need to consider in this sample?

a) both internal and external validity! Internal Validity means the sample times are accurate. External Validity means the methods and presence of the researcher didn't interfere

b) both internal and external validity! Internal Validity means the methods and presence of the researcher didn't interfere. External Validity means the sample times are accurate

c) both internal and external validity! Internal Validity means that the researcher has been validated internally. External Validity means that the subjects have been validated externally

8. There is a quiz " Are you an introvert or extrovert"

a) The quiz is definitely both reliable and valid b) The quiz is may or may not be reliable but it is valid c)  The quiz is may or may not be valid but it is reliable

In: Statistics and Probability

You are given the following payoff table with profits (in $). Decision Alternative States of Nature...

  1. You are given the following payoff table with profits (in $).

Decision
Alternative

States of Nature

s1

s2

d1

1000

3000

d2

4000

500

Assume the following probability information is given, where I1 and I2 are the outcomes of the sample information available:

P(s1) = 0.45;

P(I1 | s1) = 0.7;

P(I2 | s1) = 0.3

P(s2) = 0.55;

P(I1 | s2) = 0.6;

P(I2 | s2) = 0.4

  1. [2] Find the values of P(I1) and P(I2).

  2. [2] Determine the values of P(s1 | I1), P(s2 | I1), P(s1 | I2), and P(s2 | I2).

[4] Determine the optimal strategy based on the sample information I1 and I2. What is the expected value of your solution?

In: Statistics and Probability

The Nike annual report states that Nike is one of the largest sellers of athletic footwear...

The Nike annual report states that Nike is one of the largest sellers of athletic footwear in the world. Nike's footwear products are primarily designed for athletic use, but also for casual and leisure wear. Historical data indicates that the average customer buys 4.7 pairs of sports shoes per year, with a population standard deviation of 4.6. If samples of 45 customers are taken, answer the following questions.
Your answers should be accurate to 2 decimal places.
a) What is the standard error of the mean for the sample means?


b) What is the probability that the a given sample mean is between 3 and 5 pairs of shoes?


c) What is the probability that the difference between a given sample mean and the population mean is less than 0.19?


d) What is the probability a given sample mean is greater than 5 pairs?

In: Statistics and Probability

The Adidas annual report states that Adidas is one of the largest sellers of athletic footwear...

The Adidas annual report states that Adidas is one of the largest sellers of athletic footwear in the world. Adidas's footwear products are primarily designed for athletic use, but also for casual and leisure wear. Historical data indicates that the average customer buys 3.3 pairs of sports shoes per year, with a population standard deviation of 4. If samples of 31 customers are taken, answer the following questions.
Your answers should be accurate to 2 decimal places.
a) What is the standard error of the mean for the sample means?


b) What is the probability that the a given sample mean is between 7 and 8 pairs of shoes?


c) What is the probability that the difference between a given sample mean and the population mean is less than 0.1?


d) What is the probability a given sample mean is greater than 8 pairs?

In: Statistics and Probability

The textbook states that an Informative speech should "Relate the familiar to explain the unfamiliar". What...

The textbook states that an Informative speech should "Relate the familiar to explain the unfamiliar". What does this statement mean AND how does the speaker in the video achieve this goal? Be sure to provide examples to support your views.

Watch Video Stress Informative Speech (with captions) Duration: (6:47) YouTube URL: http://www.youtube.com/watch?v=f4RLULR6iNg *** Post initial response of 150-200 words

In: Psychology

Specify states such as (aq) or (s). 1) Write the balanced NET IONIC equation for the...

Specify states such as (aq) or (s).

1) Write the balanced NET IONIC equation for the reaction that occurs when nitrous acid and potassium hydroxide are combined.

This reaction is classified as.

A. Strong Acid + Strong Base

B. Weak Acid + Strong Base

C. Strong Acid + Weak Base

D. Weak Acid + Weak Base

The extent of this reaction is:.

A. ... Below 50%

B. ... 50%

C. ... Above 50%

D. ... 100%

2) Write the balanced NET IONIC equation for the reaction that occurs when perchloric acid and sodium cyanide are combined.

This reaction is classified as.

A. Strong Acid + Strong Base

B. Weak Acid + Strong Base

C. Strong Acid + Weak Base

D. Weak Acid + Weak Base

The extent of this reaction is:.

A. ... Below 50%

B. ... 50%

C. ... Above 50%

D. ... 100%

In: Chemistry

The following study states that a medical worker is assigned to work where inpatients are radiographed....

The following study states that a medical worker is assigned to work where inpatients are radiographed. Midmorning the radiology tech receives a request to perform an abdominal series on a 87 year old female patient, Wilma Schanck, who must come down by gurney. By the time the patient arrives in your room, it is only 30 minutes before your lunch break. You begin by taking the chest image with Mrs. Schanck still on the gurney. After this image, you decide to move her to the table for the KUB and the decubitus views. As you move the gurney over to the radiographic table and prepare for the move, you determine that Mrs. Schanck will be unable to move on her own.

a) What is the first assessment that must be made?

b) Once this assessment is made, what is the best way to move the patient to the radiographic table?

c) For the remainder of the procedure, what is the best way to make sure the patient remains safe while in your care?

In: Nursing

The table below reports the returns of assets A, B and C in four different states...

The table below reports the returns of assets A, B and C in four different states of the world, each equally likely.

State of the world              Return A                 Return B              Return C              Probability

Boom                                       5%                          0                           5%                   0.25

Growth                                      0                            0                            0                     0.25

Downturn                                  0                            5%                         0                     0.25

Recession                                5%                         5%                         5%                  0.25

a) Calculate the expected return and the variance for all assets and determine the expected return of any portfolio obtained by mixing any of the three assets.

b) Calculate the covariance of assets A and B and the covariance of assets A and C. Within the set of portfolios composed of assets A and B only, determine the weights of the two assets for the minimum variance portfolio.

c) Determine the variance of a portfolio assigning a weight of 50% to asset A and 50% to asset B. Compare this variance with that of a portfolio assigning 50% weight to asset A and 50% weight to asset C. Provide a short intuitive explanation for why diversification is helpful in one case but not in the other.

In: Finance

A small business owner visits her bank to ask for a loan. The owner states that...

A small business owner visits her bank to ask for a loan. The owner states that she can repay a loan at $1,300 per month for the next three years and then $2,600 per month for two years after that. If the bank is charging customers 8.25 percent APR, how much would it be willing to lend the business owner? (Do not round intermediate calculations and round your final answer to 2 decimal places.)

In: Finance

The Framework states that an asset should be recognised when and only when: (i) the asset...

  1. The Framework states that an asset should be recognised when and only when:

(i) the asset possesses a cost or other value that can be measured reliably

(ii) it is legally owned by the entity

(iii) it is probable that the future economic benefits embodied in the asset will eventuate.

A.         (i) and (ii) only

B.         (i) and (iii) only

C.         (ii) and (iii) only

D.         (i), (ii) and (iii)

E.         (ii) only

2.     In which of the following transactions or events are the debit entries NOT equal to the credit entries?

A.         Wages owing are recorded as increasing an expense and decreasing a liability

B.         Credit purchase of supplies is recorded as increasing an asset and increasing a liability

C.         Cash sales are recorded as increasing revenue and increasing an asset

D.         Receipt from a customer for the amount previously owed is recorded as increasing an asset and decreasing another asset

E.         Credit sales are recorded as increasing revenue and increasing an asset

  1. Given only the following information, what is the balance of shareholders’ equity?

                                                                  $

Cash                                                     10,000

Inventory                                               30,000

Equipment                                           200,000

Accounts payable                                   50,000

Taxes payable                                       40,000

Loans to the company                          100,000

A.         $40,000

B.         $50,000

C.         $100,000

D.         $140,000

E.         None of the above

  1. Accounts that have normal debit balances include:

  1. Debtors, drawings, wages, accumulated depreciation
  2. Debtors, drawings, equipment, depreciation expense
  3. Creditors, capital, revenues, depreciation expense
  4. Equipment, drawings, accumulated depreciation, inventory
  5. Equipment, drawings, advertising, inventory gain
  1. The owner of a business completed an electronic funds transfer of $5,000 from her personal bank account to Valley Motors as deposit on a new vehicle for the business costing $28,999. The balance owing is due in 60 days and will be paid for by the business.
    Identify the overall effect on the businesses’ accounting equation:
  1. Assets decrease, liabilities increase and owners equity decreases
  2. Assets increase, liabilities increase and owners equity decreases
  3. Assets increase, liabilities increase and no effect on owners equity
  4. Assets increase, liabilities increase and owners equity increases
  5. None of the above
  1. Suzie Yang runs a catering business. She received a phone booking for a function on 1 January. Susie catered for the birthday function on 28th January, and received payment on 16th February. Which of the following statements is correct?

  1. If Susie were using cash-basis accounting, the revenue would be recorded in January;
  2. If Susie were using cash-basis accounting, the revenue would be recorded in February;
  3. If Susie were using accrual-basis accounting, the revenue would be recorded when received in February;
  4. If Susie were using accrual-basis accounting, the revenue would be recorded when the booking was made;
  5. None of the above.
  1. Zia Company reports the following balance sheet information for 2020:

                                                                                           1 July 2019                30 June 2020

                        Assets                                                              $60,000                        $70,000

                        Liabilities                                                          $12,000                        $14,000

Assume that capital contributions during 2020 were $3,000 and that dividends were $12,000. Net profit for the year ended 30 June 2020 must have been:

  1. $8,000
  2. $11,000
  3. $23,000
  4. $17,000
  5. $9,000
  1. Failure to prepare an adjusting entry at the end of a reporting period to record an accrued expense would cause:
  1. An overstatement of liabilities and an overstatement of expenses.
  2. An overstatement of assets and an understatement of expenses.
  3. An understatement of liabilities and an understatement of expenses.
  4. An understatement of expenses and an overstatement of liabilities.
  5. None of the above

In: Accounting