Calculators & Tools

Variance calculator

Variance calculator and how to calculate.

Population variance and sample variance calculator

Enter values:
Data type:	Whole population data Sampled data
	= Calculate × Reset
Variance:
Standard deviation:
Mean:

Discrete random variable variance calculator

Enter probability or weight and data number in each row:

Probability	Data number
= Calculate × Reset   Add row
Variance: Mean: Standard deviation:
Calculation:

Whole population variance calculation

Population mean:

Population variance:

Sampled data variance calculation

Sample mean:

Sample variance:

Discrete random variable variance calculation

Random variable mean:

Random variable variance:

 

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See also

• Variance
• Standard deviation calculator
• Average calculator
• Weighted average calculator
• Math Calculators