Question: Let X1, X2, . . . , Xn be a random sample from a gamma distribution with known parameter and unknown parameter >

Let X1, X2, . . . , Xn be a random sample from a gamma distribution with known parameter α and unknown parameter θ > 0
Let X1, X2, . . . , Xn be a

(b) Show that the maximum likelihood estimator of θ is a function of Y and is an unbiased estimator of θ.

(a) Show that Y = =1 Xi is a sufficient statistic for

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