If X1,X2, . . . ,Xn constitute a random sample from

Chapter 10, Problem 1

(choose chapter or problem)

If X1,X2, . . . ,Xn constitute a random sample from apopulation with the mean , what condition must beimposed on the constants a1, a2, . . . , an so thata1X1 +a2X2 + + anXnis an unbiased estimator of ?

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