Standard Deviation Calculator
Calculate standard deviation and variance for a data set.
6.14Mean
4.41Variance
2.10Std deviation
How to use Standard Deviation Calculator
- 1Enter numbers separated by commas, spaces or new lines.
- 2Choose population or sample standard deviation.
Why use this tool
- Supports both population and sample standard deviation formulas.
Frequently asked questions
When should I use sample vs population standard deviation?
Use population standard deviation when your data represents the entire group of interest. Use sample standard deviation when your data is a sample drawn from a larger population.