# CHIINV

## Content

This function calculates the inverse of the one-tailed probability of the chi-squared distribution.

## Syntax

`CHIINV( prob, deg )`

## Arguments

This function has these arguments:

| Argument | Description |
| -------- | ----------- |
| *prob* | Probability of the chi-squared distribution |
| *deg* | Number of degrees of freedom; if not an integer, the number is truncated |

## Data Types

Accepts numeric data for both arguments. Returns numeric data.

## Examples

`CHIINV(B5,D7)`

`CHIINV(R5C2,R7C4)`

`CHIINV(0.75,4)` gives the result 1.9225575262