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I wonder how to solve this question, thx 7. Let X1, ..., Xn be a random sample from a population with pdf Ox-2 x 20,

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I wonder how to solve this question, thx

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7. Let X1, ..., Xn be a random sample from a population with pdf Ox-2 x 20, f (z|0) = 0, otherwise, where 0 > 0. (1) Find the method of moments estimator of 0. (2) Find the MLE 0 of 0 and the pdf of 0. (3) Find a sufficient statistic for 0 and prove its sufficiency

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