Statistics & Probability
Population Variance
Variance of a full population.
Formula
Formula
σ2 = Σ (xi − μ)2N
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| μ | population mean | computed result | — | result |
| N | population size | computed result | — | result |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givendata = 4, 8, 15, 16, 23, 42
Result151.6666667
Example 2
Givendata = 2, 4, 6
Result2.666666667