Question: 13.3.9 Let X1 , . . . , X, have a joint density f(x;O) , and let U be a sufficient statistic for 0. Show

13.3.9 Let X1 , . . . , X, have a joint density f(x;O) , and let U be a sufficient statistic for 0. Show that the most powerful test of HO : 0 = Oo against H1 : 6 = O1 can be expressed in terms of U .

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