Calculates the average deviation of the values in a data set.
Syntax:
AVEDEV(list)
Returns the average deviation of the values in the list from their arithmetic mean.
list may be an array, a range of cells, or a comma-separated list of values.
Formula:
AVEDEV = ( ∑i=n | xi − x | ) ÷ n
where n is the number of values and xi is the i-th value.
Example:
AVEDEV(A1:A15)
returns the average deviation of the contents of cells in the range A1:A15
from their arithmetic mean.
Revisions:
This function was added in 2.00.