Answer
As the population standard deviation decreases, the power increases.
Work Step by Step
See the graphs.
As the population standard deviation decreases, the power increases.
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 18 - Inference in Practice - Apply Your Knowledge - Page 431: 18.17
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