VAR Function in Excel – Calculate Sample Variance in Excel

VAR function in Excel calculates the sample variance of a supplied set of values. Variance, measures the deviation of number from the average value.

Sample Variance is calculated using formula

VAR Function in Excel 1

Where,

  • X takes each value in the set;
  • X̄ is the average of the set of values;
  • N is the number of values.

 

Syntax of VAR Function in Excel:

VAR (number1, [number2], … )

Where the number arguments are numeric values for which you want to calculate the sample variance.

 

Example of VAR Function in Excel

VAR Function in Excel 2

The Above example calculates the sample variance of subject scores with formula

= VAR (A2:A13)

Which results in value 178.697

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