Absolute deviation is the measure of how much a sample deviates from the average sample.
Absolute deviation of sample 1 = Difference between value of sample 1 and mean value of the data set.
Absolute deviation value age of
Maddox = 10-9 =1
Enrique = 13-10=3
Gloria=10-9=1
McKenna=10-10=0
Asher=10-10=0
Hannah=10-9=1
Danielle=10-10=0
Katy=10-10=0
Timothy=11-10=1
Gentry=10-9=1