STATISTICS F/BUSINESS+ECONOMICS-TEXT
STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.
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Chapter 22, Problem 22SE

Refer again to the data in exercise 21.

  1. a. Develop an estimate of the total number of deaths (in the three states) due to beatings.
  2. b. Develop an approximate 95% confidence interval for the proportion of deaths across all three states due to beatings.
  3. c. Develop an approximate 95% confidence interval for the proportion of victims who are urban.
  4. d. Develop an estimate of the total number of urban victims.

21. 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 Sample Size Shootings Beatings Urban Victims
Indiana 30 10 9 21
Ohio 45 19 12 34
Kentucky 25 7 11 15
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Chapter 22 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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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