Respuesta :

The answer is 6......
I would say the MAD is 1.5 because....

4 + 5 + 6 + 1 = 16

16 / 4 = 4

4 - 4 = 0
5 - 4 = 1
6 - 4 = 2
4 - 1 = 3

0 + 1 + 2 + 3 = 6

6 / 4 = 1.5