Suppose that X0, X1, . . . , Xn are independent random variables, each having the same

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Suppose that X0, X1, . . . , Xn are independent random variables, each having the same variance σ2. Let Yj = Xj − Xj−1 for j = 1, . . . , n, and let n = 1/n. Determine the value of Var(Yn).
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Probability And Statistics

ISBN: 9780321500465

4th Edition

Authors: Morris H. DeGroot, Mark J. Schervish

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