Answer:
6.4
Explanation:
Given the data:
15, 25, 10, 2, 8
Sample size, n = 5
The mean, m of the data above is :
(15 + 25 + 10 + 2 + 8) / 5
= 12
The mean absolute deviation:
|x - m| / n
|15 - 12| + |25 - 12| + |10 - 12| + |2 - 12| + |8 - 12|
(3 + 13 + 2 + 10 + 4) / 5
= 32 / 5
= 6.4