If the mean deviation of number from their mean is 255, then the is equal to :
20.0
10.1
20.2
10.0
As we have learnt,
Mean Deviation -
If x1, x2, ...xn are n observations then the mean deviation from the point A is given by :
-
We have,
Here,
Option 1)
20.0
Option 2)
10.1
Option 3)
20.2
Option 4)
10.0
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