Standard Deviation Calculator
Calculate mean, variance, and standard deviation (population and sample) from a data set.
Population SD
4.8990
Sample SD
5.2372
Mean
18.0000
Statistics
| Count (n) | 8 |
| Sum | 144.00 |
| Mean | 18.0000 |
| Population Variance (σ²) | 24.0000 |
| Population Std Dev (σ) | 4.8990 |
| Sample Variance (s²) | 27.4286 |
| Sample Std Dev (s) | 5.2372 |
| Minimum | 10.00 |
| Maximum | 23.00 |
| Range | 13.00 |
Sorted Data
10.00, 12.00, 16.00, 16.00, 21.00, 23.00, 23.00, 23.00
Use the Standard Deviation Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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