Q. 24.0( 4 Votes )

Find the mean deviation about the mean for the following data :

39, 72, 48, 41, 43, 55, 60, 45, 54, 43

Answer :

We have, 39, 72, 48, 41, 43, 55, 60, 45, 54, 43


Mean of the given data is



The respective absolute values of the deviations from mean , i.e are


11, 22, 2, 9, 7, 5, 10, 5, 4, 7


Thus, the required mean deviation about the mean is




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