# TRIMMEAN

## Content

This function returns the mean of a subset of data excluding the top and bottom data.

## Syntax

`TRIMMEAN(array, percent)`

## Arguments

This function has these arguments:

| Argument | Description |
| -------- | ----------- |
| *array* | [Required] Array of values to trim and find the mean |
| *percent* | [Required] Fractional amount of data in array to trim (to exclude from calculation) |

## Examples

`TRIMMEAN(A1:A17,0.25)`