Variance

Computes the variance of a sample $X equals left curly bracket x subscript 1 comma... comma x subscript n right curly bracket$ ,

$V a r left parenthesis X right parenthesis equals fraction numerator 1 over denominator n minus 1 end fraction sum from i equals 1 to n of open parentheses x subscript i minus x with bar on top close parentheses squared$

where $x with bar on top$ is the mean of $X$ .

variance(Statistics_data)

Description

variance(Statistics_data)

Given a statistics data, returns its variance.

Variance_n, Standard deviation

Variance

Syntax

Description

variance(Statistics_data)

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