Statistics for Business & Economics
16th Edition
ISBN: 9781337325448
Author: Anderson
Publisher: CENGAGE C
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Textbook Question
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 |
- a. Develop point estimates of the population
mean , total, and proportion. - b. Estimate the standard error for the estimates in part (a).
- c. Develop an approximate 95% confidence interval for the population mean.
- d. Develop an approximate 95% confidence interval for the population total.
- e. Develop an approximate 95% confidence interval for the population proportion.
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Chapter 22 Solutions
Statistics for Business & Economics
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
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