STATISTICS F/BUSINESS+ECONOMICS-TEXT
STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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Chapter 22.6, Problem 14E

A sample of four clusters is to be taken from a population with N = 25 clusters and M = 300 elements. The values of Mi, xi, and ai for each cluster in the sample follow.

Cluster (i) Mi xi ai
1 7 95 1
2 18 325 6
3 15 190 6
4 10 140 2
Totals 50 750 15
  1. a. Develop point estimates of the population mean, total, and proportion.
  2. b. Estimate the standard error for the estimates in part (a).
  3. c. Develop an approximate 95% confidence interval for the population mean.
  4. d. Develop an approximate 95% confidence interval for the population total.
  5. e. Develop an approximate 95% confidence interval for the population proportion.
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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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