Statisticians have determined that the sample variance is an unbiased estimator of the population variance.
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Q114: Technically,the accuracy of a variance estimate is
Q115: The standard deviation of a sampling distribution
Q116: An unbiased estimate of the population variance
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Q120: In practice,we always calculate a sampling distribution
Q121: Given the same population,the sampling distribution of
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Q124: There is a difference sampling distribution for
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