Let X1, ..., Xn be iid gamma(a, B), and, independently, Y1,..., Ym iid gamma(a, kß), where k is known, and a, ß > 0 are parameters. Find a two-dimensional sufficient statistic for (a, B). Use the 1 gamma(a, B) PDF ƒ (x | a, ß) = Nol a-le-/B. gamma(a, B) PDF f (x | a, B) = T(@)Ba

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