   Chapter 12, Problem 4P 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

Posttests are done after an ANOVA.a. What is the purpose of posttests?b. Explain why you do not need posttests if the analysis is comparing only two treatments.c. Explain why you do not need posttests if the decision from the ANOVA is to fail to reject the null hypothesis.

a.

To determine

To Explain: The purpose of post-tests or post-hoc test.

Explanation

The post-hoc tests are done after AN...

b.

To determine

To Explain: Why don’t we need post-tests if k2.

c.

To determine

To Explain: Why there is no need to perform post-test, if the decision from ANOVA is to fail to reject the null hypothesis.

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