c********r
发帖数: 73 | 1 because there are four sample size. Maybe you just need to generate
one for each sample size, which make the total as four.
z score=[x-mean(x)]/standard deviation of x.
So, I think you just need to generate one standard normal distribution
, which has zero mean and unit variance, for each sample size.
N=30,60,120,240;generate |
|
