DavidB4-bot
→top: clean up & uniformity
17:52
-11
AndrewLe
remove redundant category
22:59
-25
Qwestor
New page: {{math-h}} '''Variance''' is a measure in statistics of the dispersion of a set of values (represented as <math>X</math>). It is defined as :<math>\sigma^2 = \operat...
14:59
+762