Question: Let Y 1 , Y 2 , . . . , Y n be a random sample from a normal distribution. Use the statement of

Let Y1, Y2, . . . , Yn be a random sample from a normal distribution. Use the statement of Question 7.3.4 to prove that S2 is consistent for σ2.

Var(S2)= 2σ4­/n −1

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