Question

Find the mean absolute deviation for the data on the table. Round to the nearest tenth if needed.

Answer 1

1.2 B

Explanation:

Answer 2

Let's find the mean of the numbers first.
13.1+12.1+11.2+10.2+8.9
55.5÷5
11.1
Find the differences.
2+1+0.1+0.9+2.2
6.2÷5
1.24
So B. 1.2.