Three new (related) pages:
How are they? Any mistooks?
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
Okay! Very good.
Nice example, not only informative but mouth watering also.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.
You might consider a link from Variance on the third page to your Standard Deviation and Variance page.
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
You may consider adding a few lines about central moments, and tell that variance is one of those.
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."