   Chapter 8.2, Problem 4LC Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570

Solutions

Chapter
Section Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

If a sample mean is in the critical region with α = .05, it would still (always) be in the critical region if alpha were changed to α = .01. (True or false?)

To determine

To explain: Whether the sample mean is in the critical region for α=0.05 and α=0.01.

Explanation

When the α=0.05, the sample mean falls in the critical region. Then if the α is changed to 0.01, then the critical region move nearer to the tail of the distribution. So the statement regarding the critical region is false

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