Essentials Of Statistics For Business & Economics
9th Edition
ISBN: 9780357045435
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: South-Western College Pub
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Textbook Question
Chapter 3.4, Problem 50E
Naples Half-Marathon Times. Naples, Florida, hosts a half-marathon (13.1-mile race) in January each year. The event attracts top runners from throughout the United States as well as from around the world. In the race results shown below 22 men and 31 women entered the 19–24 age class. Finish times in minutes are as follows. Times are shown in order of finish.
- a. George Towett of Marietta, Georgia, finished in first place for the men and Lauren Wald of Gainesville, Florida, finished in first place for the women. Compare the first-place finish times for men and women. If the 53 men and women runners had competed as one group, in what place would Lauren have finished?
- b. What is the median time for men and women runners? Compare men and women runners based on their median times.
- c. Provide a five-number summary for both the men and the women.
- d. Are there outliers in either group?
- e. Show the boxplots for the two groups. Did men or women have the most variation in finish times? Explain.
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Chapter 3 Solutions
Essentials Of Statistics For Business & Economics
Ch. 3.1 - Consider a sample with data values of 10, 20, 12,...Ch. 3.1 - Consider a sample with data values of 10, 20, 21,...Ch. 3.1 - Consider the following data and corresponding...Ch. 3.1 - Consider the following data.
What is the mean...Ch. 3.1 - Consider a sample with data values of 27, 25, 20,...Ch. 3.1 - Consider a sample with data values of 53, 55, 70,...Ch. 3.1 - eICU Waiting Times. There is a severe shortage of...Ch. 3.1 - Middle-Level Manager Salaries. Suppose that an...Ch. 3.1 - Advertising Spending. Which companies spend the...Ch. 3.1 - Advertising Spending. Which companies spend the...
Ch. 3.1 - Time Spent Watching Traditional TV. Nielsen tracks...Ch. 3.1 - Online Multiplayer Game Downloads. The creator of...Ch. 3.1 - Automobile Fuel Efficiencies. In automobile...Ch. 3.1 - Unemployment Rates by State. The U.S. Bureau of...Ch. 3.1 - Motor Oil Prices. Martinez Auto Supplies has...Ch. 3.1 - Calculating Grade Point Averages. The grade point...Ch. 3.1 - The following table shows the total return and the...Ch. 3.1 - Business School Ranking. Based on a survey of...Ch. 3.1 - Revenue Growth Rate. Annual revenue for Corning...Ch. 3.1 - Mutual Fund Comparison. Suppose that at the...Ch. 3.1 - If an asset declines in value from $5000 to $3500...Ch. 3.1 - The current value of a company is 25 million. If...Ch. 3.2 - Consider a sample with data values of 10, 20, 12,...Ch. 3.2 - Consider a sample with data values of 10, 20, 12,...Ch. 3.2 - Consider a sample with data values of 27, 25, 20,...Ch. 3.2 - Price of Unleaded Gasoline. Data collected by the...Ch. 3.2 - Round-Trip Flight Prices. The following table...Ch. 3.2 - Annual Sales Amounts. Varatta Enterprises sells...Ch. 3.2 - Air Quality Index. The Los Angeles Times regularly...Ch. 3.2 - Prob. 30ECh. 3.2 - Cellular Phone Spending. According to the 2016...Ch. 3.2 - Advertising Spend by Companies. Advertising Age...Ch. 3.2 - Amateur Golfer Scores. Scores turned in by an...Ch. 3.2 - Consistency of Running Times. The following times...Ch. 3.3 - Consider a sample with data values of 10, 20, 12,...Ch. 3.3 - Prob. 36ECh. 3.3 - Consider a sample with a mean of 30 and a standard...Ch. 3.3 - Suppose the data have a bell-shaped distribution...Ch. 3.3 - The results of a national survey showed that on...Ch. 3.3 - Price per Gallon of Gasoline. Suppose that the...Ch. 3.3 - GMAT Exam Scores. The Graduate Management...Ch. 3.3 - Many families in California are using backyard...Ch. 3.3 - Best Places to Live. Each year Money magazine...Ch. 3.3 - NCAA Basketball Game Scores. A sample of 10 NCAA...Ch. 3.3 - Prob. 45ECh. 3.4 - Consider a sample with data values of 27, 25, 20,...Ch. 3.4 - Show the boxplot for the data in exercise 46. 46....Ch. 3.4 - Prob. 48ECh. 3.4 - Prob. 49ECh. 3.4 - Naples Half-Marathon Times. Naples, Florida, hosts...Ch. 3.4 - Pharmaceutical Company Sales. Annual sales, in...Ch. 3.4 - Cell Phone Companies Customer Satisfaction....Ch. 3.4 - Most Admired Companies. Fortune magazines list of...Ch. 3.4 - U.S. Border Crossings. The Bureau of...Ch. 3.5 - Five observations taken for two variables follow....Ch. 3.5 - Five observations taken for two variables follow....Ch. 3.5 - Stock Price Comparison. The file StockComparison...Ch. 3.5 - Driving Speed and Fuel Efficiency. A department of...Ch. 3.5 - Smoke Detector Use and Death Rates. Over the past...Ch. 3.5 - Stock Market Indexes Comparison. The Russell 1000...Ch. 3.5 - Best Private Colleges. A random sample of 30...Ch. 3 - Americans Dining Out. Americans tend to dine out...Ch. 3 - NCAA Football Coaches Salaries. A 2017 USA Today...Ch. 3 - Physician Office Waiting Times. The average...Ch. 3 - Worker Productivity and Insomnia. U.S. companies...Ch. 3 - Work Commuting Methods. Public transportation and...Ch. 3 - Household Incomes. The following data represent a...Ch. 3 - Prob. 69SECh. 3 - Best Hotels. Travel + Leisure magazine provides an...Ch. 3 - NFL Teams Worth. In 2014, the 32 teams in the...Ch. 3 - MLB Team Winning Percentages. Does a major league...Ch. 3 - Money Market Funds Days to Maturity. The days to...Ch. 3 - Automobile Speeds. Automobiles traveling on a road...Ch. 3 - Annual Returns for Panama Railroad Company Stock....Ch. 3 - Pelican Stores, a division of National Clothing,...Ch. 3 - Prob. 2CPCh. 3 - The pursuit of a higher education degree in...Ch. 3 - Although millions of elephants once roamed across...
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