Question: Problem 12.25 (a) Show that E(Y i.) = + i. (b) Show that E(Y i. Y ..) = i, i.e., Y i. Y ..

Problem 12.25

(a) Show that E(Y i.) = µ + αi.

(b) Show that E(Y i. −Y ..) = αi, i.e., Y i. −Y .. is an unbiased estimator of the ith treatment mean.

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