Question

The mean of the following dataset is 8. Find the mean absolute deviation of the dataset. Express your answer as a decimal.

{5.8,7,8.1,9.2,9.9}
(1 point)
The mean absolute deviation is
.
Remaining Attempts : 3

Answer 1

Mean = 8 (given). Absolute deviations: |5.8−8|=2.2, |7−8|=1, |8.1−8|=0.1, |9.2−8|=1.2, |9.9−8|=1.9.
Sum = 2.2+1+0.1+1.2+1.9 = 6.4. Mean absolute deviation = 6.4/5 = 1.28.