23. A researcher expects a treatment to increase scores by 5 points. The regular population, without treatment,
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23. A researcher expects a treatment to increase scores by 5 points. The regular population, without treatment, averages 40 with a standard deviation of 8, and the scores form a normal distribution. If the researcher uses a one-tailed test with .01,
a. What is the power of the test for a sample of n 16?
b. What is the power of the test for a sample of n 64?
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Related Book For
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9780495812203
7th Edition
Authors: Frederick J. Gravetter, Larry B. Wallnau
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