Question: The mean deviation is found by using this formula: where X = value = mean n = number of values | | = absolute value

The mean deviation is found by using this formula:
E[X - X|

where
X = value
= mean
n = number of values
| | = absolute value
Find the mean deviation for these data.
5, 9, 10, 11, 11, 12, 15, 18, 20, 22

E[X - X|

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