B BUNguyenI New member Oct 4, 2010 #1 I know this is simple, but my mind is in a rut. When estimating the mean of a population, how large a sample is required in order that the 95% error margin be 1/4 of the population standard deviation I'm not what work to show
I know this is simple, but my mind is in a rut. When estimating the mean of a population, how large a sample is required in order that the 95% error margin be 1/4 of the population standard deviation I'm not what work to show
