# STDEV function

## Description

Standard deviation function. STDEV(range) calculates the sample standard deviation *s* of the data in range.

The argument range can be a list of numbers, cell addresses, cell ranges (such as A1:A10).

Range can also be a matrix. In that case the function returns a matrix with one row and the same number of columns, with each element the STDEV of the corresponding column. If range is a row matrix, it is converted to a column matrix first.

$$s = \sqrt{\frac{\sum_{}^{}{(x-\bar{x})^2}}{n-1}} $$

## Example

STDEV(A1:A8) calculates the standard deviation of the contents of cells A1 to A8.