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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 µ = 80 and a standard deviation of σ = 20. The researcher expects a 12 point treatment effect and plans to use a two-tailed hypothesis test with u α = .05

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

b. Compute the power of the test if the researcher uses a sample of n = 25 individuals.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9366119

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