The Rayleigh density function is given by 2y 0 = foto 0, fy(y) = y²/0, y>0 ·e-y²/6 elsewhere. Let Y₁, Y2 , . . . , Y₁ denote a random sample from Rayleigh distribution, show 1 that = ₁ Y² is consistent and sufficient estimator for 0. Find an MVUE of 0. n

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