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# Descriptive Statistics

### Bally Gears: Marginal analysis and the goal of the firm

Marginal analysis and the goal of the firm: Ken Allen, capital budgeting analyst for Bally Gears, Inc., has been asked to evaluate a proposal. The manager of the automotive division believes that replacing the robotics used on the heavy truck gear line will produce total benefits of \$551,000 (in today's dollars) over the next 5

### Interest versus dividend expense

Interest versus dividend expense. Michael's Corporation expects earnings before interest and taxes to be \$38,000 for this period. Assuming an ordinary tax rate of 40%, compute the firm's earnings after taxes and earnings available for common shareholders (earnings after taxes and preferred stock dividends, if any) under the foll

### Cost of Common Stock Equity

Duke Energy has been paying dividends steadily for 20 years. During that time, dividends have grown at a compound annual rate of 6%. If Duke Energy's current stock price is \$77 and the firm plans to pay a dividend of \$7.00 next year, what is Duke's cost of common stock equity?

### Decision Analysis

A manufacturer of designer jeans must decide whether to build a large factory or a small factory in a particular location. The profit per pair of jeans manufactured is estimated as \$10. A small factory will incur an annual cost of \$200,000, with a production capacity of 50,000 pairs of jeans per year. A large factory will incur

### Median, Quartiles, Mean, and Standard Deviation

As of 2002, the top ten movies in terms of gross earnings were as follows (figures rounded to the nearest million dollars). Rank Movie Gross (\$millions) 1 Titanic 1836 2 Harry Potter and the Sorcerer's Stone 962 3 Star Wars: The Phantom Menace 924 4 Jurassic Park 921 5 The Lord of the Rings: The Fellowship of the

### How might you apply descriptive statistics to a problem within a classroom setting?

How might you apply descriptive statistics to a problem within a classroom setting?

### Statistics: Random Sampling, Bar Charts and Pie Charts, Descriptive Statistics, and Linear Regression

Part 1: Random Sampling You will need to do a little problem solving and use Excel to generate random numbers to answer the exercises. You will need to randomly select 20 accounts. Use the guidelines provided below: You are generating a random number list to impartially (randomly) audit 20 of 74 different records.

### Class mark for 100,000-under 250,000 population class of cities

Number of Population Cities 10,000-under 25,000 1476 25,000-under 50,000 664 50,000-under 100,000 407 100,000-under 250,000

### Linear trend equation: Predicted value & Residual value

The linear trend equation for the follwing date is y= 1.4286+2.5(t) Month Value of Fund 1 4 2 6 3 9 4 12 5 14 6 16 7 19 a. What is the predicted value of the fund in the period t=1? b. What is

### Correlation coefficient and descriptive statistics

Give a brief definition and an example of the following: a. Descriptive Statistics b. Inferential Statistics What does the correlation coefficient r describe? What about r squared?

### Histograms and frequency polygons: Graphical presentations

Explain why histograms and frequency polygons are used in business statistics. A graphical presentation may accomplish all but which of the following objectives? a) Illustrate the amount of variation in the data. b) Illustrate approximately where the mean is. c) Allow comparison with similar data. d) Wi

Please assist regarding an index based on how people feel about the economy. In this case, the base was 1985 and set at 100. Thus, if the index was at 57.2 in May 2008, and in October 1992 the index was at 54.6, are people feeling better or worse in 2008 than they did in 1992? If the index was at 62.8 in April 2008, what does th

### Strategic alignment model

Please see the following article: Henderson, J. C., & Venkatraman, N. (1993). Strategic alignment: Leveraging information technology for transforming organizations. IBM systems journal, 32(1), 4-16. Can the strategic alignment model in the Henderson & Venkatraman article address both the internal and external IT domains?

### Penultimate Support Systems: Gantt Chart using Johnson's Rule

Penultimate Support Systems makes fairly good speaker and equipment support stands for music groups. The assembly process involves two operations: (1) fabrication, or cutting aluminum tubing to the correct lengths, and (2) assembly, with purchased fasteners and injection-molded plastic parts. Set-up time for assembly is negligib

### AutoWrecks hypothesis: difference in this year's moving violation distribution

AutoWrecks, Inc. sells auto insurance. AutoWrecks keeps close tabs on its customers' driving records, updating its rates according to the trends indicated by these records. AutoWrecks' records indicate that, in a "typical" year, roughly 70% of the company's customers do not commit a moving violation, 10% commit exactly one movin

### Exponential Smoothing: August forecast income

What is the August Forecast income? Assuming initail forecast for February is \$65,000 and the smoothing constant is a=0.1. Executive income: February 70.0 March 68.5 April 64.8 MAy 71.7 June 71.3 July 72.8

### Red Rose Club: Calculate Break Even Point in sales

S7.25 As a prospective owner of a club known as the Red Rose, you are interested in determining the volume of sales dollars necessary for the coming year to reach the break-even point. You have decided to break down the sales for the club into four categories, they are as follows: Category Estimated Sales Cost per unit Sale

### Ski Resorts of Vermont: level of measurement in the table

Ski Resorts of Vermont, Inc. is considering a merger with Gulf Shores, Inc. of Alabama. The board of directors surveyed 50 stockholders concerning their position on the merger. Number of share held Favor Oppose Undecided Total Under 200

### Summation of indexed data for list of 14 measurements

Summation of indexed data The following is a list of 14 measurements: 51, -15, -19, 56, 63, 54, 0, 85, 18, -37, 33, 58, -94, -45 Suppose that these 14 measurements are respectively labeled . (Thus, is labeled , is labeled , and so on.) Find .

### 18 Problems in Statistics

1. a.11 10 8 4 6 7 11 6 11 7 b.13 23 15 13 18 13 15 14 20 20 18 17 20 13 i. Find the range, mean, variance, and standard deviation of the population data set. ii. Without calculating, which data set has the greatest sample standard deviation? Which has the least sample standard deviation? Explain your reasoning. iii.

### Is the data nominal ratio, interval, ordinal

(NAME OF SURVEY) To help get the public's opinion regarding containment efforts in the Gulf of Mexico, please complete this survey and return it to July 15th, 2010 . Section One Yes No Maybe Not Sure N/A Please select one answer for each question below: Is there an oil spill in the Gulf of Mexico? Did you know about

### Statistical Terms and Definitions Matching

Terms and Definitions matching ___ Statistics ___ Discrete variable ___ Statistics ___ Continuous variable ___ Population ___ Qualitative data ___ Popu

### On average, Women are now 57% of the students of higher education.

On average, Women are now 57% of the student body nation-wide on campuses of higher education. What do you think is the reason behind this statistic?

### Converting Standard Scores from One Scale to Another

Why it is possible to easily convert standard scores from one scale to another? The mean and standard deviation of each of the transformed scores and the theoretical rationale for their equivalency.

### Processing Time

Consider a worker-paced line with three process steps, each of which is staffed with one worker. The sequence of the three steps does not matter for the completion of the product. Currently, the three steps are operated in the following sequence (numbers indicate processing time of each step): Step A 3min/unit Step B 4m

### Supply Chain Management and Reorder Points

You own a factory in China which makes hiking shoes and you are signing a contract with Hikee Shoe company to supply them with shoes that they will market every year in the U.S. Market. Because hiking shoe demand is highly seasonal, and also the models change every year, Hikee orders every model just once and you supply the whol

### Survey Design and Describing Data

Hi, I hope you will be able to help me to understand what I'm not comprehending. Thanks much. What are some examples of descriptive statistics? Why are they used in research? How can you avoid bias when selecting samples for human services research? Text books I am using--- Rosnow, R. L., & Rosenthal, R. (2008). Beg

### Statistics: distribution, correlation coefficient, variables, regression line

1. For a particular sample of 50 scores on a psychology exam, the following results were obtained. First quartile = 44 Third quartile = 68 Standard deviation = 9 Range = 55 Mean = 51 Median = 54 Mode = 71 Midrange = 64 Answer each of the following; show all work. - What score was earned by more students than

### Statistics: Little's Law to determine lead time for quote from custom publishing house

A quoting department for a custom publishing house can complete 4 quotes per day, and there are 20 quotes in various stages in the department. Applying Little's Law, the current lead time for a quote is how many days?

### Theory Approach to Problems

In your organization's management development program, there was a heated discussion between people who claimed that theory is impractical and not effective, and others who claimed that effective theory is the most practical approach to problems. What position would you take and why?