Population variance
Calculate population variance and see the working behind your result.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
σ² = Σ(x−μ)²/N
Variables & units
- Data values
- comma separated
Worked example
For 2,4,4,4,5,5,7,9 the population variance is 4.
Assumptions
This uses N for a complete population, not N−1 for a sample.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
Calculated on your device. Your latest 100 calculations stay in this browser.