Consider testing the hypotheses H 0 : = 0 versus H 1 : = 1
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Question:
Consider testing the hypotheses H0: θ = 0 versus H1: θ = 1 based on a random sample of size n = 16 from a normal distribution with mean θ and known variance of 64.
(a) Calculate the power for the likelihood ratio test at level α = .01.
(b) A researcher wants to obtain a power of at least 0.9 for rejecting the null (fixing α = 0.01). What is the sample size n that needs to be collected to achieve this power?
Related Book For
John E Freunds Mathematical Statistics With Applications
ISBN: 9780134995373
8th Edition
Authors: Irwin Miller, Marylees Miller
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