The data below shows the number of hours mrs. Diaz volunteered each month for 8 months. 20,12,27,23,18,20,30,26 the mean of the data is 22 hours what is the mean absolute deveation data

Given :

Data given : 20 , 12 , 27 , 23 , 18 , 20 , 30 , 26 .

Mean of the data , m = 22 .

To Find :

The mean absolute deviation of given data .

Solution :

We know , mean deviation(M.D) across mean is given by :

Therefore , the mean absolute deviation is 4.5 .

Hence , this is the required solution .

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