5
8
2
9
6
-1
-4
3
0
1
4
x‾\overline{x}x = 305\;\frac{30}{5}530 = 6
∑∣x−x‾∣\sum |x - \overline{x}|∑∣x−x∣
= 10
Mean deviation = 105\;\frac{10}{5}510
= 2
