DOCUMENTATION CalcMe
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  1. Wiris Ecosystem Documentation
  2. CalcMe documentation
  3. Commands
  4. Statistics
  5. Variance

en:calc:commands:statistics:variance

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.

Syntax

variance(Statistics_data)

Description

variance(Statistics_data)

Given a statistics data, returns its variance.

Related functions

Variance_n, Standard deviation

Table of Contents
  • Syntax
  • Description
  • Related functions
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