If the probability that you fail to reject the null hypothesis is 20% when you should have rejected it because there is a real effect that you were unable to detect, given your data, the power of the test is:
(A) 0.8.
(B) 0.9.
(C) β.
(D) It is not possible to determine the power without knowing the sample size.
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Home » Mathematics » If the probability that you fail to reject the null hypothesis is 20% when you should have rejected it because there is a real effect that you were unable to detect, given your data, the power of the test is: (A) 0.8. (B) 0.9. (C) β.