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Result will appear here.
How to Use This Calculator
- Enter a comma-separated data set.
- Select Calculate.
- Read the population and sample variance.
Formula and Calculation Method
Example Calculation
A tightly grouped data set has a smaller variance than a data set with values spread far from its mean.
Frequently Asked Questions
Why are there two variances?
Population variance divides by the number of values; sample variance divides by one less.