InterviewSolution
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InterviewSolution
| 1. |
Find the mean deviation about the median for the data : `x_i` 5 7 9 10 12 15`f_i` 8 6 2 2 2 6 |
| Answer» X f cf X-M `abs(X-M)`5 8 8 -2 27 6 14 0 09 2 16 2 210 2 18 3 312 2 20 5 515 6 26 8 8The data given to us can be arranged in the form of table above.`Median = ((N+1)/2)^(th) term``= ((26+1)/2)^(th) term``= 13.5^(th) term = 7`Deviations from the median will be calculated in the column (X-M)Mean deviation from median = `(sumabs(X-M))/N``= 20/6 = 3.33` | |