# Question

The mean deviation is found by using this formula:

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

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

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