Q. 3

The marks of 15 students in an examination are:

25, 19, 17, 24, 23, 29, 31, 40, 19, 20, 22, 26, 17, 35, 21.

Find the median score.

Answer :

By arranging the data in ascending order


We have;


17, 17, 19, 19, 20, 21, 22, 23, 24, 25, 26, 29, 31, 35, 40


N = 15 (odd number)


Median = value of the term


=


= value of 8th term


= 23


Hence the Median marks are 23.

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