Re: standard deviation

Posted by MI on May 31, 2013; 4:43pm
URL: http://discussion-forum.276.s1.nabble.com/standard-deviation-tp7581558p7581572.html

as u=68

and its given that 95% of values are between 62 and 74

(62, 74) interval corresponds to ( u - 2*sigma, u + 2*sigma)