Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
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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Chapter 21.5, Problem 13E

a.

To determine

Obtain the sample size.

Explain the sample size that should allocated in the three strata.

b.

To determine

Find the sample size when all stratum standard deviation is equal to 100.

Find the number of element that should be allocated to each stratum when all stratum standard deviation is equal to 100.

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