Q132·Section III (Statistics)·132 of 180UMP tests are unbiasedFor testing H0H_0H0 against H1H_1H1, if the test function ϕ(X‾)\phi(\uline{X})ϕ(X) is UMP, then: OptionsAϕ(X‾)\phi(\uline{X})ϕ(X) is not unbiasedBϕ(X‾)\phi(\uline{X})ϕ(X) is unbiasedCϕ(X‾)\phi(\uline{X})ϕ(X) has power less than its sizeDϕ(X‾)≡1\phi(\uline{X})\equiv1ϕ(X)≡1Pick an option to check your answer.Show answerShow solution Report a problem with this question← Q131All questionsQ133 →Keyboard: A–D answer · S solution · ←/→ previous/next