Variance Calculator
| Numbers : | |
| Type : | |
| Variance : |
Population Variance
Formula:
\sigma^2=\frac{\sum(x_i-\bar{x})^2}{N}
Sample Variance
Formula:
\sigma^2=\frac{\sum(x_i-\bar{x})^2}{n-1}
| N | = | population size |
| n | = | sample size |
| xi | = | ith number in list |
| x̄ | = | mean of all numbers in list |
How do I use the Variance calculator?
- Enter the numbers for which you would like to find the variance
- Separate each number with a comma
- Select whether to find the population or sample variance
- See the answer appear instantly