Bundle: Statistics for Business & Economics, Loose-Leaf Version, 13th + MindTap Business Statistics with XLSTAT, 1 term (6 months) Printed Access Card
Bundle: Statistics for Business & Economics, Loose-Leaf Version, 13th + MindTap Business Statistics with XLSTAT, 1 term (6 months) Printed Access Card
13th Edition
ISBN: 9781337148092
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
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Chapter 22.6, Problem 15E

A sample of six clusters is to be taken from a population with N = 30 clusters and M = 600 elements. The following table shows values of Mi, xi, and ai for each cluster in the sample.

Cluster (i) Mi xi ai
1 35 3500 3
2 15 965 0
3 12 960 1
4 23 2070 4
5 20 1100 3
6 25 1805 2
Totals 130 10,400 13
  1. a. Develop point estimates of the population mean, total, and proportion.
  2. b. Develop an approximate 95% confidence interval for the population mean.
  3. c. Develop an approximate 95% confidence interval for the population total.
  4. d. Develop an approximate 95% confidence interval for the population proportion.
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