Calculate the mean deviation of 5, 8, 2, 9 and 6
5
8
2
9
6
-1
-4
3
0
1
4
\(\bar{x}\) = \(\frac{30}{5}\) = 6
\(\sum |x - \bar{x}|\)
= 10
Mean deviation = \(\frac{10}{5}\)
= 2
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