Statistics for Business & Economics, Revised (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
12th Edition
ISBN: 9781285846323
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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Chapter 7.2, Problem 8E

The following stocks make up the Dow Jones Industrial Average (Barron’s, July 30, 2012).

  1. 1. 1.3M
  2. 2. AT&T
  3. 3. Alcoa
  4. 4. American Express
  5. 5. Bank of America
  6. 6. Boeing
  7. 7. Caterpillar
  8. 8. Chevron
  9. 9. Cisco Systems
  10. 10. Coca-Cola
  11. 11. Disney
  12. 12. DuPont
  13. 13. ExxonMobil
  14. 14. General Electric
  15. 15. Hewlett-Packard
  16. 16. Home Depot
  17. 17. IBM
  18. 18. Intel
  19. 19. Johnson & Johnson
  20. 20. Kraft Foods
  21. 21. McDonald’s
  22. 22. Merck
  23. 23. Microsoft
  24. 24. J.P. Morgan
  25. 25. Pfizer
  26. 26. Procter & Gamble
  27. 27. Travelers
  28. 28. United Technologies
  29. 29. Verizon
  30. 30. Wal-Mart

Suppose you would like to select a sample of six of these companies to conduct an in-depth study of management practices. Use the first two digits in each row of the ninth column of Table 7.1 to select a simple random sample of six companies.

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Chapter 7 Solutions

Statistics for Business & Economics, Revised (MindTap Course List)

Ch. 7.3 - The following data are from a simple random...Ch. 7.3 - A survey question for a sample of 150 individuals...Ch. 7.3 - A sample of 5 months of sales data provided the...Ch. 7.3 - BusinessWeek published information on 283 equity...Ch. 7.3 - Many drugs used to treat cancer are expensive....Ch. 7.3 - A sample of 426 U.S. adults age 50 and older were...Ch. 7.3 - The American Association of Individual Investors...Ch. 7.5 - A population has a mean of 200 and a standard...Ch. 7.5 - A population has a mean of 200 and a standard...Ch. 7.5 - Assume the population standard deviation is = 25....Ch. 7.5 - Suppose a random sample of size 50 is selected...Ch. 7.5 - Refer to the EAI sampling problem. Suppose a...Ch. 7.5 - In the EAI sampling problem (see Figure 7.5), we...Ch. 7.5 - Barrons reported that the average number of weeks...Ch. 7.5 - The College Board reported the following mean...Ch. 7.5 - The mean annual cost of automobile insurance is...Ch. 7.5 - The Economic Policy Institute periodically issues...Ch. 7.5 - The average score for male golfers is 95 and the...Ch. 7.5 - The mean preparation fee HR Block charged retail...Ch. 7.5 - To estimate the mean age for a population of 4000...Ch. 7.6 - A sample of size 100 is selected from a population...Ch. 7.6 - A population proportion is .40. A sample of size...Ch. 7.6 - Assume that the population proportion is .55....Ch. 7.6 - The population proportion is .30. What is the...Ch. 7.6 - The president of Doerman Distributors, Inc.,...Ch. 7.6 - The Wall Street Journal reported that the age at...Ch. 7.6 - People end up tossing 12% of what they buy at the...Ch. 7.6 - Forty-two percent of primary care doctors think...Ch. 7.6 - In 2008 the Better Business Bureau settled 75% of...Ch. 7.6 - The Grocery Manufacturers of America reported that...Ch. 7.6 - The Food Marketing Institute shows that 17% of...Ch. 7 - U.S. News World Report publishes comprehensive...Ch. 7 - The latest available data showed health...Ch. 7 - Foot Locker uses sales per square foot as a...Ch. 7 - The mean television viewing time for Americans is...Ch. 7 - After deducting grants based on need, the average...Ch. 7 - Three firms carry inventories that differ in size....Ch. 7 - A researcher reports survey results by stating...Ch. 7 - A production process is checked periodically by a...Ch. 7 - About 28% of private companies are owned by women...Ch. 7 - A market research firm conducts telephone surveys...Ch. 7 - Advertisers contract with Internet service...Ch. 7 - The proportion of individuals insured by the...Ch. 7 - Lori Jeffrey is a successful sales representative...
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