Question: Problem 12.11 (a) Show that E(yi.) = + i. (b) Show that E(yi. y..) = i, i.e., yi. y.. is an unbiased

Problem 12.11

(a) Show that E(yi.) = µ + αi.

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

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