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3.Let X1,.. . , Xn be a random sample, where X and S2 are calculated in the usual way (a) Show that S2 Assume now that the Xi

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3.Let X1,.. . , Xn be a random sample, where X and S2 are calculated in the usual way (a) Show that S2 Assume now that the Xis have a finite fourth moment, and denote θ (b) Show that VarS2-1(94-n-...
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