Statistics for Business & Economics (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
13th Edition
ISBN: 9781305585317
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
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Chapter 22, Problem 21SE
A U.S. Senate Judiciary Committee report showed the number of homicides in each state. In Indiana. Ohio, and Kentucky, the number of homicides was. respectively. 380,760, and 260. Suppose a stratified random sample with the following results was taken to learn more about the victims and the cause of death.
| Stratum | Shootings | Beatings | Urban Victims | |
| Indiana | 30 | 10 | 9 | 21 |
| Ohio | 45 | 19 | 12 | 34 |
| Kentucky | 25 | 7 | 11 | 15 |
- a. Develop an approximate 95% confidence interval for the proportion of shooting deaths in Indiana.
- b. Develop an estimate for the total number of shooting deaths in Ohio.
- c. Develop an approximate 95% confidence interval for the proportion of shooting deaths in Ohio.
- d. Develop an approximate 95% confidence interval for the proportion of shooting deaths across all three states.
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Chapter 22 Solutions
Statistics for Business & Economics (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Ch. 22.4 - Simple random sampling was used to obtain a sample...Ch. 22.4 - Prob. 2ECh. 22.4 - Prob. 3ECh. 22.4 - Prob. 4ECh. 22.4 - Prob. 5ECh. 22.4 - Prob. 6ECh. 22.5 - A stratified simple random sample was taken with...Ch. 22.5 - Prob. 8ECh. 22.5 - Prob. 9ECh. 22.5 - Prob. 10E
Ch. 22.5 - A drug store chain has stores in four cities: 38...Ch. 22.5 - Prob. 12ECh. 22.5 - Prob. 13ECh. 22.6 - A sample of four clusters is to be taken from a...Ch. 22.6 - A sample of six clusters is to be taken from a...Ch. 22.6 - Prob. 16ECh. 22.6 - Prob. 17ECh. 22 - To assess consumer acceptance of a new series of...Ch. 22 - Prob. 19SECh. 22 - A quality of life survey was conducted with...Ch. 22 - A U.S. Senate Judiciary Committee report showed...Ch. 22 - Refer again to the data in exercise 21. a. Develop...Ch. 22 - Prob. 23SECh. 22 - Prob. 24SE
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