How would figure out a 90% and 95% confidence interval for the below informaion? What would be the formula? Can I figure this out in Excel or Megastat? How would I do that?
Men Female
count 53 47
mean 36,492.92 24,451.51
sample variance 340,313,003.72 154,893,232.30
sample standard deviation 18,447.57 12,445.61
standard error of the mean 2,533.97 1,815.38