question archive The variance of the mean for a sample of 100 is 25
The variance of the mean for a sample of 100 is 25
Subject:StatisticsPrice: Bought3
The variance of the mean for a sample of 100 is 25. In order to cut the variance of the mean in half (to 12.5) we must:
keep the sample size at 100 and change something else
None of these choices
decrease the sample size to 50
increase the sample size to 200
