# 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 |

x_{i} | = | i^{th} 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