Variance Calculator
Compare population and sample variance.
Results and explanation
Enter your inputs to get started.
Numbers are processed locally. Results use floating-point arithmetic and up to 10 significant digits. List fields accept commas, spaces or line breaks.
How to use this calculator
Average the squared distances from the mean. Select the population or sample interpretation appropriate to your data.
Worked example
For 1, 2, and 3, population variance is 2/3 and sample variance is 1. Variance has squared units.
Check the units and assumptions before using your result. Explore related calculators or read our statistics guides.