Math

StatisticsSTATISTICS F/BUSINESS+ECONOMICS-TEXTYoung Adult magazine states the following hypotheses about the mean age of its subscribers. H 0 : μ = 28 H a : μ ≠ 28 a. What would it mean to make a Type II error in this situation? b. The population standard deviation is assumed known at σ = 6 years and the sample size is 100. With α = .05, what is the probability of accepting H 0 for α equal to 26, 27, 29, and 30? c. What is the power at μ = 26? What does this result tell you?BuyFind*arrow_forward*

13th Edition

Anderson

Publisher: CENGAGE L

ISBN: 9781305881884

Chapter 9.6, Problem 50E

Textbook Problem

*Young Adult* magazine states the following hypotheses about the mean age of its subscribers.

*H*_{0}: *μ* = 28

*H*_{a}: *μ* ≠ 28

- a. What would it mean to make a Type II error in this situation?
- b. The population standard deviation is assumed known at
*σ =*6 years and the sample size is 100. With*α =*.05, what is the probability of accepting*H*_{0}for*α*equal to 26, 27, 29, and 30? - c. What is the power at
*μ =*26? What does this result tell you?

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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