# A researcher selects a sample from a population with µ = 70 and σ = 12. After administering a treatment to the individuals in the sample, the researcher computes Cohen’s d = 0.25. What is the mean for the 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

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Chapter 8.5, Problem 3LC
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