Math & Science
Standard Deviation Calculator
🔒 Runs in your browser
Calculate mean, variance, and standard deviation for any dataset — population and sample — free and in your browser, no account required.
8 numbers detected
Statistical Results
Count
8
Mean
5
Population Variance (σ²)
4
Sample Variance (s²)
4.571429
Population Std Dev (σ)
2
Sample Std Dev (s)
2.13809