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  3. 2 i in this problem we explore more estimators for...

Question: 2 i in this problem we explore more estimators for...

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2). I. In this problem, we explore more estimators for N4ơ a. Typically, people use /1 X as an estimator for μ. You might also use μ2 or is -2x1 + 12 2 (x1+2X2 +3xs+...+nXn), Show that all three of these estimato

b. In class, we showed that σ-T ( i-1 x,-X) is a biased estimator for ơ2 when both and Tt σ are unknown. Suppose, however, that μ is known and so we can use σ Show that σ2 is actually unbiased. n Σ A)2. i

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