State whether each of the following statements concerning the sample variance is true or false. (a) The

Question:

State whether each of the following statements concerning the sample variance is true or false.
(a) The value of the sample variance is an unbiased estimator of the population variance when dividing SS by df.
(b) The value of the sample variance will vary minimally from the population variance when dividing SS by df.
(c) It is more important that the sample variance be an unbiased estimator than that it vary minimally from the population variance.
(d) The sampling of sample variances is approximately normal.
Distribution
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