Hello.

I am trying to prove the identity in red. (My failed attempt is in black)

http://img813.imageshack.us/img813/7396/ideny.png

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- Jun 18th 2011, 05:03 AMincblueManipulating the sample variance formula
Hello.

I am trying to prove the identity in red. (My failed attempt is in black)

http://img813.imageshack.us/img813/7396/ideny.png - Jun 18th 2011, 05:12 AMArchie MeadeRe: Manipulating the sample variance formula
- Jun 18th 2011, 05:29 AMincblueRe: Manipulating the sample variance formula