Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)

6th Edition

ISBN: 9781337115186

Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

Publisher: Cengage Learning

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Textbook Question

Chapter 21.5, Problem 7E

A stratified simple random sample was taken with the following results.

Stratum (h)	x h ¯	S_h	P h ¯	N_h	n_h
1	138	30	.50	200	20
2	103	25	.78	250	30
3	210	50	.21	100	25

a. Develop an estimate of the population mean for each stratum.
b. Develop an approximate 95% confidence interval for the population mean in each stratum.
c. Develop an approximate 95% confidence interval for the overall population mean.

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Chapter 21.4, Problem 6E

Chapter 21.5, Problem 8E

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Chapter 21 Solutions

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)

Ch. 21.4 - 1. Simple random sampling was used to obtain a...Ch. 21.4 - Prob. 2E Ch. 21.4 - Prob. 3E Ch. 21.4 - Prob. 4E Ch. 21.4 - Prob. 5E Ch. 21.4 - Prob. 6E Ch. 21.5 - 7. A stratified simple random sample was taken...Ch. 21.5 - Prob. 8E Ch. 21.5 - Prob. 9E Ch. 21.5 - 10. A population was divided into three strata...

Ch. 21.5 - Prob. 11E Ch. 21.5 - Prob. 12E Ch. 21.5 - Prob. 13E Ch. 21.6 - Prob. 14E Ch. 21.6 - 15. A sample of six clusters is to be taken from a...Ch. 21.6 - Prob. 16E Ch. 21.6 - Prob. 17E Ch. 21 - Prob. 18SE Ch. 21 - Prob. 19SE Ch. 21 - Prob. 20SE Ch. 21 - Prob. 21SE Ch. 21 - Prob. 22SE Ch. 21 - Prob. 23SE Ch. 21 - 24. A public agency is interested in learning more...

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