2. I want to test H0:μ = 15 vs. Ha:μ≠15 using a test of hypothesis. If I concluded that ju is 15 when,in fact,the true value of μ is not 15,then I have made a____
(A) Type I error
(B) Type II error
(C) correct decision
(D) Type I and Type II error
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統計: 尚無統計資料
統計: 尚無統計資料