STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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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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Part (b)
Draw a scatter plot of the ordered pairs.
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Expectancy
Life
Expectancy
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Year of
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1970 1990
2010 Birth
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Life
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Part (c)
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Year of
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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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