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hw due today. Please answer.. thanks. 3. Let X1, X2, . . . , Xn be iid N(M, 02). Here we assume that / is

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hw due today. Please answer.. thanks.

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3. Let X1, X2, . . . , Xn be iid N(M, 02). Here we assume that / is known and is equal to 7. Consider the hypothesis test: Ho : 0 = 2 H1 : 0=1 We denote $2 := Zi(Xi-x)2 , ( 8 ' ) 2 . = Zi(xi - 7 ) 2 n- 1 n (a) (10 points) Which of the following rejection regions: C1 = { 82 2 K }, C2 = (82

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