The students in Mr. Warnock’s class collected cans for recycling one week. Below is the data for each group.
Group A:11, 9, 12, 14, 8, 7, 13, 15, 12, 9
Mean = 11
Group B: 18, 12, 26, 14, 9, 19, 21, 24, 15, 12
Mean = 17
What is the difference in the MAD between Group A and Group B?