nushell/docs/commands/math_stddev.md
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---
title: math stddev
layout: command
version: 0.59.0
---
Finds the stddev of a list of numbers or tables
## Signature
```> math stddev --sample```
## Parameters
- `--sample`: calculate sample standard deviation
## Examples
Get the stddev of a list of numbers
```shell
> [1 2 3 4 5] | math stddev
```
Get the sample stddev of a list of numbers
```shell
> [1 2 3 4 5] | math stddev -s
```