Mean Absolute Deviation

Ex. Your data set is made up of these numbers. 10, 10 , 12, 12
First find the mean: 11
Then find the distance of the mean from the numbers: 1,1,1,1
Then find the mean: 1
Your answer is 1

Use a chart to help

Value Distance
From mean
10 1

10 1

12 1

12 1
Mean= 11 Mean= 1
1 is your mean absolute deviation!