Re: ecotrix doubt

Posted by Dreyfus on Jun 24, 2014; 5:07pm
URL: http://discussion-forum.276.s1.nabble.com/ecotrix-doubt-tp7593459p7593498.html

Mean of sample + 1.96*SD = 50.2
Mean of sample - 1.96*SD = 44.8
Add both the equations, 2*mean of sample = 95
 Sample mean = 47.5