Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
6th Edition
ISBN: 9781337115186
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 23SE
Pew Research Center is a nonpartisan polling organization that provides information about issues, attitudes, and trends shaping America. In a poll, Pew researchers found that 73% of teens aged 13–17 have a smartphone, 15% have a basic phone and 12% have no phone. The study also asked the respondents how they communicated with their closest friend. Of those with a smartphone, 58% responded texting, 17% social media and 10% phone calls. Of those with no smartphone, 25% responded texting, 29% social media and 21% phone calls. (Pew Research Center website, October 2015).
- a. One statistic (58%) concerned the use of texting to contact his/her closest friend, if the teen owns a smartphone. To what population is that applicable?
- b. Another statistic (25%) concerned the use of texting by those who do not own a smartphone. To what population is that applicable?
- c. Do you think the Pew researchers conducted a census or a sample survey to obtain their results? Why?
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Chapter 1 Solutions
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Ch. 1 - 1. Discuss the differences between statistics as...Ch. 1 - 2. Tablet PC Comparison provides a wide variety of...Ch. 1 - 3. Refer to Table 1.6.
What is the average cost...Ch. 1 - 4. Table 1.7 shows data for eight cordless...Ch. 1 - 5. Refer to the data set in Table 1.7.
What is the...Ch. 1 - 6. J.D. Power and Associates surveys new...Ch. 1 - 7. The Kroger Company is one of the largest...Ch. 1 - 8. The Tennessean, an online newspaper located in...Ch. 1 - 9. The Commerce Department reported receiving the...Ch. 1 - 10. The Bureau of Transportation Statistics...
Ch. 1 - 11. In a Gallup telephone survey conducted on...Ch. 1 - 12. The Hawaii Visitors Bureau collects data on...Ch. 1 - Figure 1.10 provides a bar chart showing the...Ch. 1 - The following data show the number of rental cars...Ch. 1 - The U.S. Census Bureau tracks sales per month for...Ch. 1 - 17. A manager of a large corporation recommends a...Ch. 1 - 18. A random telephone survey of 1021 adults (aged...Ch. 1 - 19. A Bloomberg Businessweek North American...Ch. 1 - 20. A survey of 131 investment managers in...Ch. 1 - 21. A seven-year medical research study reported...Ch. 1 - Prob. 22SECh. 1 - Pew Research Center is a nonpartisan polling...Ch. 1 - 24. A sample of midterm grades for five students...Ch. 1 -
Table 1.8 shows a data set containing information...
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