Variance_n

Computes the variance of a sample $X=\{x_1,...,x_n\}$ multiplied by a factor

$Va{r}_n\left(X\right)=\frac{n-1}{n}Var\left(X\right)$

where $Varx$ is the variance of $X$.

variance_n(Statistics_data)

Description

Given statistics data, returns its variance multiplied by a factor.