The AVEDEV returns the average of the absolute deviations of data points from their mean. AVEDEV is a measure of the variability in a data set.

AVEDEV takes 1 required argument and 254 optional arguments:

Syntax: AVEDEV(number1, [number2], ... )

#1)
Using the AVEDEV function:
#2)
The arguments for the AVEDEV function are:
Argument Required? Description
number1 Required The first number.
number2, ... Optional Up to 254 additional numbers for which you want the average of the absolute deviations. You can also use a single array or a reference to an array instead of arguments separated by commas.
#3)
A few more things:
AVEDEV is influenced by the unit of measurement in the input data.
Arguments must either be numbers or be names, arrays, or references that contain numbers.
Logical values and text representations of numbers that you type directly into the list of arguments are counted.
If an array or reference argument contains text, logical values, or empty cells, those values are ignored; however, cells with the value zero are included.

Summary

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