Questions
The Wind Mountain excavation site in New Mexico is an important archaeological location of the ancient...

The Wind Mountain excavation site in New Mexico is an important archaeological location of the ancient Native American Anasazi culture. The following data represent depths (in cm) below surface grade at which significant artifacts were discovered at this site (Reference: A.I. Woosley and A.J. McIntyre, Mimbres Mogollon Archaeology, University of New Mexico Press).

85 45 75 60 90 90 115 30 55 58
78 120 80 65 65 140 65 50 30 125
75 137 80 120 15 45 70 65 50 45
95 70 70 28 40 125 105 75 80 70
90 68 73 75 55 70 95 65 200 75
15 90 46 33 100 65 60 55 85 50
10 68 99 145 45 75 45 95 85 65
65 52 82

For this problem, use seven classes.

(a) Find the class width.


(b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 4 decimal places.) Show Your Work!!

Class Limits Class Boundaries Midpoint Frequency Relative
Frequency
Cumulative
Frequency







































In: Statistics and Probability

Bowman Specialists Inc. (BSI) manufactures specialized equipment for polishing optical lenses. There are two models—one (A–25)...

Bowman Specialists Inc. (BSI) manufactures specialized equipment for polishing optical lenses. There are two models—one (A–25) principally used for fine eyewear and the other (A–10) for lenses used in binoculars, cameras, and similar equipment.

The following table shows the manufacturing cost of each unit is calculated, using activity-based costing, for these manufacturing cost pools.

Cost Pools Allocation Base Costing Rate
Materials handling Number of parts $ 3.80 per part
Manufacturing supervision Hours of machine time $ 24.40 per hour
Assembly Number of parts $ 6.15 per part
Machine setup Each setup $ 48.20 per setup
Inspection and testing Logged hours $ 59.00 per hour
Packaging Logged hours $ 29.00 per hour

BSI currently sells the A–10 model for $3,770 and the A–25 model for $2,015. Manufacturing costs and activity usage for the two products follow:

A-10 A-25
Direct materials $ 149.76 $ 75.44
Number of parts 131 102
Machine-hours 9.00 6.00
Inspection time 2.00 1.10
Packing time 1.20 0.60
Setups 26 13

Required:

1. Calculate the product cost and product margin for each product.

2. A new competitor has entered the market for lens-polishing equipment with a superior product at significantly lower prices, $2,415 for the A–10 model and $1,890 for the A–25 model. To try to compete, BSI has made some radical improvements in the design and manufacturing of its two products. The materials costs and activity usage rates have been decreased significantly, as follows:

A-10 A-25
Direct materials $ 98.65 $ 52.45
Number of parts 130 101
Machine-hours 10 4.00
Inspection time 2 1
Packing time 1 .40
Setups 13 13

2-a. Calculate the total product costs with the new activity usage data.

2-b. Can BSI make a positive gross margin with the new costs, assuming that it must meet the price set by the new competitor?

4. What cost management method might be useful to BSI at this time?

In: Accounting

Question 1: Consider the simple regression model: !Yi = β0 + β1Xi + ei (a) Explain...

Question 1:

Consider the simple regression model: !Yi = β0 + β1Xi + ei
(a) Explain how the Ordinary Least Squares (OLS) estimator formulas for !β̂ and !β̂ are derived.

  1. (b) Under the Classical Linear Regression Model assumptions, the ordinary least squares estimator, OLS estimators are the “Best Linear Unbiased Estimators (B.L.U.E.).” Explain.

  2. (c) Other things equal, the standard error of β! ̂ will decline as the sample size increases. Explain the

    importance of this.

Question 2:

Consider the following data on 10 students:

1

01

Observation Weekly Food Expenditure Weekly Income

1

80

200

2

70

100

3

60

80

4

80

220

5

100

230

6

70

160

7

50

60

8

70

80

9

70

130

10

80

140

(a) Calculate the values of !β ̂ and β! ̂ for the simple linear regression model given by: 01

!food =β̂ +β̂income +e. i01 ii

  1. (b) Interpret those values in the context of the variable definitions and units of measurement.

  2. (c) Using the results from part (a), calculate the error (e! i) for each of the 10 observations.

(c) Calculate and interpret the standard error of tĥe regression (!se).

(d) Calculate and interpret the standard error of the β! ̂ estimate (!s ). 1β̂

(e) Test the null hypothesis that income has no effect on food expenditures. What do you conclude?

In: Economics

The lives of certain extra-life light bulbs are normally distributed with a mean equal to 1350...

The lives of certain extra-life light bulbs are normally distributed with a mean equal to 1350 hours and a standard deviation equal to 18 hours. 1. What percentage of bulbs will have a life between 1350 and 1377 hr? 2. What percentage of bulbs will have a life between 1341 and 1350 hr? 3. What percentage of bulbs will have a life between 1338 and 1365 hr? 4. What percentage of bulbs will have a life between 1365 and 1377 hr? 5. What percentage of bulbs will have a life between 1338 and 1344 hr? 6. What percentage of the bulbs will last longer than 1386 hr? 7. What percentage of the bulbs will last less than 1323 hr? 8. The 10 percent of the bulbs with the longest life will last longer than how many hours? 9. The 20 percent of the bulbs with the shortest life will last no longer than how many hours?

I am looking for help with 7-9. Looking for the math worked out, to find the answer. Thanks

In: Statistics and Probability

Identifying individuals with a high risk of Alzheimer’s disease usually involves a long series of cognitive...

Identifying individuals with a high risk of Alzheimer’s disease usually involves a long series of cognitive tests. Researchers have developed a shorter test called the 7-Minute Screen. A study using the same participants evaluated whether scores from the 7-Minute Screen could predict scores from a series of cognitive tests for Alzheimer’s disease.

Participant 7-minute Screen Cognitive Series
1 3 11
2 8 19
3 10 22
4 8 20
5 4 14
6 7 13
7 4 9
8 5 20
9 14 25

a.Sketch a scatterplot of the test scores. Make sure to label both axes.










b. Calculate the Pearson correlation to measure the linear relationship between the two test scores.











c. What percentage of variance in cognitive test scores is predicted from the 7-Minute Screen scores?




d.Find the regression equation for predicting the cognitive test scores from the 7-Minute Screen score.












e. Evaluate the significance of the regression equation at alpha 0.05. State the conclusion in the words of the problem.














f. Can the regression equation found in (d) be used to predict cognitive test scores if the 7-Minute Screen scores are 6 and 25? Either predict the cognitive test score or explain why the regression equation cannot be used.

7-Minute Screen score = 6, Cognitive test score =




7-Minute Screen score = 25, Cognitive test score =

In: Statistics and Probability

Cologne Formulations Cologne Formulation %w Alcohol %w Essential oil %w Water C-1 60.0 3.0 37.00 C-2...

Cologne Formulations

Cologne

Formulation

%w Alcohol

%w Essential oil

%w Water

C-1

60.0

3.0

37.00

C-2

40.0

3.0

57.00

C-3

60.0

5.0

35.00

Using this table we are required doing three cologne with equal amount of 50 g ,evaluate the fragrance, persistence and the effect on the skin and fabric of the cologne. If we divided each cologne into two and store one on the refrigerator and one at room temperature. which one will better in terms of fragrance, presistense and the effect on the skin and fabric of the cologne. explain why?

In: Chemistry

Romello Accounting LLP is a small CPA firm consisting of three partners and seven other professional...

Romello Accounting LLP is a small CPA firm consisting of three partners and seven other professional staff. The firm offers full attestation and assurance services. Most of the work is for small and medium-sized nonpublic companies. The firm is registered with the PCAOB and does audits of about 30 penny stock or pink sheet companies and broker-dealers each year.

Tony Romello, the managing partner of the firm, has been the review partner on all audits for the last several years. Unfortunately, Tony encountered major health concerns in the last month and will not be available for the upcoming busy season. Michelle Thompson and Max King, the two remaining partners, are discussing staffing during the busy season.

“I am sorry that Tony is so ill, but I am concerned about our staff needs over the next three months. With two senior auditors and five staff auditors, we are all going to be very busy. I guess it is too late to hire experienced staff and get them trained quickly,” Michelle stated.

“Don’t forget that we will need a review partner,” Max mused. “Hey, I could be the review partner for your audits and you can be review partner on my audits.”

“I almost forgot that,” Michelle said. “But don’t we need to get a review partner who hasn’t worked on the audits the last two years? That would exclude both of us, since we are switching off audits every five years. . . . Hey, maybe we can get Tom Mullins, CPA, to be our review partner on a contract basis?”

Max immediately objected. “You know that, as a retired Big Four audit partner, he would eat up our slim profits with his contract rate. Let’s just make do this year and start planning to have a new partner by this time next year.”

“We can’t do that,” Michelle countered. “When we have the PCAOB inspections, we will get penalized. We would also be cited in our peer reviews. No, no, I’m not comfortable thinking of not having a review partner. Also, without Tony this year, you and I will be busy supervising the staff without the added responsibilities of being review partner.”

“Oh brother, you are such a rule follower!”

In a thorough response, identify the stakeholders of audits and their interests. Is there a difference between stakeholders and interests of public versus nonpublic companies?

In: Accounting

The Patricia Garcia Company Is Currently Producing Seven New Medical Products. Each Of Garcia's ... Question:...

The Patricia Garcia Company Is Currently Producing Seven New Medical Products. Each Of Garcia's ... Question: The Patricia Garcia company is currently producing seven new medical products. Each of Garcia's e... The Patricia Garcia company is currently producing seven new medical products. Each of Garcia's eight plants can add one more product to its current line of medical devices. The unit manufacturing costs for producing the different parts at the eight plants are shown below. How should Garcia assign the new products to the plants in order to minimize manufacturing costs? I need a step by step example*** use linear programming manually not excel

P1 P2 P3 P4 P5 P6 P7 P8
C53 .1 .12 .13 .11 .1 .06 .16 .12
C81 .05 .06 .04 .08 .04 .09 .06 .06
D5 .32 .4 .31 .3 .42 .35 .36 .49
D44 .17 .14 .19 .15 .1 .16 .19 .12
E2 .06 .07 .1 .05 .08 .1 .11 .05
E35 .08 .1 .12 .08 .09 .1 .09 .06
G99 .55 .62 .61 .7 .62 .63 .65 .59

In: Advanced Math

The earnings, dividends, and common stock price of Shelby Inc. are expected to grow at 3%...

The earnings, dividends, and common stock price of Shelby Inc. are expected to grow at 3% per year in the future. Shelby's common stock sells for $21.00 per share, its last dividend was $2.00, and the company will pay a dividend of $2.06 at the end of the current year.

Using the discounted cash flow approach, what is its cost of equity? Round your answer to two decimal places.
%.......

If the firm's beta is 2.1, the risk-free rate is 8%, and the expected return on the market is 14%, then what would be the firm's cost of equity based on the CAPM approach? Round your answer to two decimal places.
%......

If the firm's bonds earn a return of 12%, and analysts estimate the market risk premium is 3 to 5 percent, then what would be your estimate of rsusing the over-own-bond-yield-plus-judgmental-risk-premium approach? Round your answer to two decimal places. (Hint: Use the midpoint of the risk premium range).
%.......

On the basis of the results of parts a through c, what would be your estimate of Shelby's cost of equity? Assume Shelby values each approach equally. Round your answer to two decimal places.
%......

In: Finance

Orange Corp. has two divisions: Fruit and Flower. The following information for the past year is...

Orange Corp. has two divisions: Fruit and Flower. The following information for the past year is available for each division:

Fruit Division Flower Division
Sales revenue $ 1,440,000 $ 2,160,000
Cost of goods sold and operating expenses 1,080,000 1,620,000
Net operating income $ 360,000 $ 540,000
Average invested assets $ 3,000,000 $ 2,160,000

   

Orange has established a hurdle rate of 8 percent.   

Required:
1-a. Compute each division’s return on investment (ROI) and residual income for last year. (Enter your ROI answers as a percentage rounded to two decimal places, (i.e., 0.1234 should be entered as 12.34%.))

         

1-b. Determine which manager seems to be performing better.

        

Fruit Division
Flower Division

   

2. Suppose Orange is investing in new technology that will increase each division’s operating income by $146,000. The total investment required is $2,300,000, which will be split evenly between the two divisions. Calculate the ROI and return on investment for each division after the investment is made. (Enter your ROI answers as a percentage rounded to two decimal places, (i.e., 0.1234 should be entered as 12.34%.))

       

3. Which manager will accept the investment.

    


In: Accounting