Question

Find the mean deviation about the median for the data
579101215
862226

Medium
Solution
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  Cumulative frequency  
 5 8 8 216 
 7 6 14 0 0
 9 2 16 2 4
 10 2 18 3 6
12 220  5 10
 15 6 26 8 48
 Total 26   84
Here, (even)
So, Median
   
         (Here, and both lies in the cumulative frequency , so corresponding observation for both is )

Mean deviation about median
                                                   
                                                   

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