What is the minimum variance among all unbiased estimators can an estimator have for ?1 a. Cant be determined b. Same variance as the error term ?i c. ?^2 d. ?^2 / ? (xi - x?)^2
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An estimator is unbiased if its expected value is equal to the true value of the parameter being estimated. In other words, if we take many samples and calculate the estimator for each sample, the average of those estimators should be equal to the true value of Show more…
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