# A researcher conducts a hypothesis test with α = .05 to evaluate the effectiveness of a treatment. Assume that the sample mean produces a z -score of z = 2.17. a. Do the data indicate that the treatment has a significant effect? b. Write a sentence describing the outcome of the hypothesis test as it would appear in a research report.

### Essentials of Statistics for the B...

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

### Essentials of Statistics for the B...

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

#### Solutions

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Chapter 8.3, Problem 1LC
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