mebbe here would be a better place

$ if you can answer it and explain

Your teacher has decided to put 30 subjects in group one and 90 subjects in group 2 for her dissertation. Assuming the standard deviations are approx the same in both groups, what would be the least # of subjects in each group that you could use and get a standard error of the statistic |x1 - |x2 that is equal to your teacher's standard error?

12/5/2006 7:07:46 PM

see chit chat

12/5/2006 7:34:16 PM

the answer is obviously C

12/5/2006 7:37:45 PM