The median of the following frequency distribution is x 7 5 9 3 11 12 fx 15 11 18 5 8 3

TS ICET 23 May 2019 Shift 1 Paper

Question : 142 of 200

Marks: +1, -0

The median of the following frequency distribution is

x	7	5	9	3	11	12
fx	15	11	18	5	8	3

Solution:

The ascending order of the observations is

Median

({N+1}/2)^{th}

observation

=61/2=30.5

Median is the value of x corresponding to the cumulative frequency 31, i.e. 7

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