Population standard deviation
Calculate population standard deviation and see the working behind your result.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
σ = √[Σ(x−μ)²/N]
Variables & units
- Data values
- comma separated
Worked example
For 2,4,4,4,5,5,7,9 the population standard deviation is 2.
Assumptions
A population is divided by N. Do not use this as the sample standard deviation.
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.
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