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A measure of spread in A level maths. Given in units squared, whether they make sense or not, and not actually a measure of anything useful whatsoever. The only thing you can do with it is square root it to find the standard deviation which is vaguely more relevent, which you might as well have found in the first place.
"The varience is 2 minutes squared"
"Minutes squared?"
"I know...."
by Zoecb October 27, 2004