Statistics & Probability
Population Std Deviation
Standard deviation of a population.
Formula
Formula
σ = √σ2
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| σ² | population variance | computed result | — | result |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givendata = 4, 8, 15, 16, 23, 42
Result12.31530213
Example 2
Givendata = 2, 4, 6
Result1.632993162