# FTEST

## Content

This function returns the result of an F-test, which returns the one-tailed probability that the variances in two arrays are not significantly different.

## Syntax

`FTEST( array1, array2 )`

## Arguments

The arguments may be arrays of values.

## Data Types

Accepts arrays of numeric data for both arguments. Returns numeric data.

## Examples

`FTEST(A1:D34,A35:D68)`

`FTEST(R1C1:R34C4,R35C1:R68C4)`