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
- 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:
Where the number arguments are numeric values for which you want to calculate the sample variance.
Example of VAR Function in Excel
The Above example calculates the sample variance of subject scores with formula
= VAR (A2:A13)
Which results in value 178.697