A researcher is evaluating the influence of a treatment using a sample selected from a normally distributed

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A researcher is evaluating the influence of a treatment using a sample selected from a normally distributed population with a mean of m 5 40 and a standard deviation of s 5 12.

The researcher expects a 6-point treatment effect and plans to use a two-tailed hypothesis test with a 5 .05.

a. Compute the power of the test if the researcher uses a sample of n 5 9 individuals (See Example 8.6.).

b. Compute the power of the test if the researcher uses a sample of n 5 16 individuals.

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781337098120

9th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano

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Question Posted: Jul 19, 2024 04:04 PM

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A researcher is evaluating the influence of a treatment using a sample selected from a normally distributed

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Essentials Of Statistics For The Behavioral Sciences

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