Definition. This function returns the average of the absolute deviation of data points from their mean. The function calculates the arithmetic mean of the deviations of a data set based on the average, excluding the sign. AVEDEV() is a measure of the variance in a data set.
number1 (required) and number2 (optional). At least one and up to 255 arguments (30 in Excel 2003 and earlier versions) for which you want to calculate the absolute deviation. You can also use a single array or a reference to an array instead of arguments separated by commas.
Arguments can be numbers, names, arrays, or references containing numbers. If an array or a reference argument contains text, logical values, or empty ...
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