Let X1, X2, ..., X8 be a random sample of size n=8 from a normally-distributed population...

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Answer 1

Answer #1

Ans - D=8,_u = 7.9, 6:1 mean of , E(X) = 4x = 1 = 17.9 ECZ) =[7.9 Var (8) = = b Var = [0.138] 0.138 © E ) = 7.9 , var ) = 0.1

Answer 2

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