AP ICET 2017 Shift 1 Paper

Question : 142 of 200

Marks: +1, -0

The mean deviation about the median of the observations

3,5,6,5,8,5,4,8,7

and 9 is

Solution:

Arranging in ascending order,
3, 4, 5, 5, 5, 6, 7, 8, 8, 9
Median

={5+6}/2=5.5

Mean deviation about median

={2.5+1.5+0.5+0.5+0.5+0.5+1.5+2.5+2.5+3.5}/{10}

={16}/{10}=1.6

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