# A researcher selects a sample of n = 16 individuals from a normal population with a mean of μ = 40 and σ = 8. A treatment is administered to the sample and after treatment, the sample mean is M = 43. If the researcher uses a hypothesis test to evaluate the treatment effect, what z-score would be obtained for this sample?

### 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 8.1, Problem 1LCA
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