Find the mean or median of the data set
Subtract the mean or median from each data value
Take the absolute value of each difference
Add all absolute values
Divide by the number of data values
The result is the absolute deviation
Find the mean or median of the data set
Subtract the mean or median from each data value
Take the absolute value of each difference
Add all absolute values
Divide by the number of data values
The result is the absolute deviation