The Basic Practice of Statistics
The Basic Practice of Statistics
8th Edition
ISBN: 9781319042578
Author: David S. Moore, William I. Notz, Michael A. Fligner
Publisher: W. H. Freeman
Question
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Chapter 27, Problem 27.41E

a.

To determine

To analyze: The given data for depressed and report the conclusion.

To check: The conditions for ANOVA and to include an appropriate graph that compares the depression scores for the three qualities of sleep.

b.

To determine

To explain: The reason for the ANOVA F test to give valid results for the given data.

c.

To determine

To explain: The reason that the association does not prove causation.

To describe: The classification of sleep.

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