Question

What is the mean absolute deviation (MAD) of the data set?

Answer 1

Your answer will be 4.4

Answer 2

Mean: 2+5+6+12+15=40÷5=8

Ignore all minus signs
2-8=6
5-8=3
6-8=2
12-8=4
15-8=7

7+4+2+3+6=22÷5=4.4
The mean absolute deviation is 4.4