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Descriptive Statistics

Measures of Central Tendency

For my personal study guide. Refer to the enclosed chart which represents 10 days and the number of questions asked in the AM and PM on Day 1 through Day 10. Given the data answer the following: 1. Calculate and report the mean, median, and mode of the data. 2. Now calculate the standard deviation of the data. For t

Variation in final grades for an operations research course

The final grades given by two professors in introduction to operations research course have been carefully examined. The students in the first professor's class had a grade point average of 3.0 and a standard deviation of 0.2. Those in the second professor's class had grade points with an average of 3.0 and a standard deviatio

Descriptive statistics: Number of Coupons

The following data (X) represent the number of coupons used over a 6 month time period by a sample of 17 shoppers: 81, 68, 70, 100, 94, 47, 66, 70, 82, 110, 105, 60, 70, 66, 90, 78, 85 Use this sample of data to compute: the mean, the median, the mode, the range, the variance, the standard deviation, and the 90th percent

Prepare cost of goods manufactured; cost of goods sold

Messinger Manufacturing Company had the following account balances for the quarter ending March 31, unless otherwise noted: Work-in-process inventory (January 1) $ 140,400 Work-in-process inventory (March 31) $ 171,000 Finished goods inventory (January 1) 540,000 Finished goods inventory (March 31) 510,000 Direct

SPSS computations for Howell Data Set: Attention Deficit Disorder (ADD)

See attached file. There is an attached Howell data set that is in SPSS. For each of the nine variables in the data set, compute all appropriate measures of central tendency and variability in SPSS, and generate syntax and output files. Also copy and past the SPSS syntax and output files into a word document as well as comput

Statistics Problems: Housing data for sales in Baton Rouge, Louisiana

See Data file attached. The file batonrougesufa10.xlsx contains data on houses sold in Baton Rouge, Louisiana in mid-2005. The dataset contains the following variables: Price: The price the house sold for Square Feet: The size of the house in square feet Beds: The number of bedrooms in the house Baths: The number of b

The Great Fish Taco Corp's breakeven point

The Great Fish taco Corporation currently has fixed operating costs of $11,000, sells its pre-made tacos for $5.60 per box, and incurs variable operating cost of $3.40 per box. If the firm has a potential investment that would simultaneously raise its fixed costs to $12,100 and allows it to charge a per-box sale price of $6.10 d

Parker Investment's Degree of Financial Leverage

Parker Investments has EBIT of $15,000, interest expense of $1,940 and preferred dividends of $2,738. If it pays taxes at a rate of 27%, what is Parker's degree of financial leverage (DFL) at a base level of EBIT of $15,000? Please see attached document.

Perkins Manufacturing: Calculate capital gains tax on sale of assets

Capital gains taxes: Perkins Manufacturing is considering the sale of two non-depreciable assets, X and Y. Asset X was purchased for $1,900 and will be sold today for $2,460. Asset Y was purchased for $40,000 and will be sold today for $49,600. The firm is subject to a 37% tax rate on capital gains. a. Calculate the amount o

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

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

Quantitative Reasoning for Business: Feelings about the Economy

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