If the mean of a statistic (over all possible samples of the same size) is equal to the population parameter, the statistic is said to be an unbiased estimator of that parameter. Which method (dividing by n 1 or dividing by n or neither) resulted in an unbiased estimate of the population variance? DNKCMAOQ \\Okk h 1 Which method (dividing by n 1 or dividing by n or neither) resulted in an unbiased estimate of the population standard deviation? Dwxdtmo6 \\QLk \ 3