Changes

==Description==

==Description==

*AVEDEV returns the average of the absolute deviations of data points from their mean.

*AVEDEV returns the average of the absolute deviations of data points from their mean.

*Arguments can be numbers, names, arrays, or references.  

*Arguments can be numbers,names,arrays or references.  

This function gives the average absolute deviation of a given set of numbers.

This function gives the average absolute deviation of a given set of numbers.

The Average deviation is calculated in three steps:

The Average deviation is calculated in three steps: