Variance

Variance[data] gives the sample variance estimate of the elements in data. Variance[dist] gives the variance of the distribution dist.

Examples

Compute variance of a list:

Variance[{1, 2, 3, 4, 5}]
(* 5/2 *)

(* Variance of a distribution *)
Variance[NormalDistribution[0, 2]]
(* 4 *)

Please visit the official Wolfram Language Reference for more details.