Question 4 Let Yı: Y2, .... Yn denote a random sample and let E(Y) = u...

Question

Question

Question 4 Let Yı: Y2, .... Yn denote a random sample and let E(Y) = u and Var(Y) = o-y, i = 1, 2, ..., n.

(b) Prove that the standard error of the sample mean Y SEⓇ) =

Answer 1

Answer #1

caror of the mean Foormula four the standard or where 2 is the stendard deviation where - -. ce = TB So here vwe (Yi) = TY El

Answer 2

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