Essentials Of Statistics For Business & Economics

9th Edition

ISBN: 9780357045435

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

Publisher: South-Western College Pub

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

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Textbook Question

Chapter 10, Problem 44SE

Differences in Insurance Claims Based on Marital Status. A large automobile insurance company selected samples of single and married male policy holders and recorded the number who made an insurance claim over the preceding three-year period.

Chapter 10, Problem 44SE, Differences in Insurance Claims Based on Marital Status. A large automobile insurance company

a. Use α = .05. Test to determine whether the claim rates differ between single and married male policyholders.
b. Provide a 95% confidence interval for the difference between the proportions for the two populations.

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Chapter 10, Problem 43SE

Chapter 10, Problem 45SE

Chapter 10 Solutions

Essentials Of Statistics For Business & Economics

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Solution Summary: The author states that there is no difference between the single and married male policyholders.

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Chapter 10 Solutions