Question: For a random sample X1, . . ., Xn with mean and variance 2, let The sample total. Show that E (Tn) = n

For a random sample X1, . . ., Xn with mean μ and variance σ2, let
T,=E-X

The sample total. Show that E (Tn) = nμ and Var (Tn) = nσ2.

T,=E-X

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