The data below represents students’ test scores. Which of the following is the median of the set data?

11, 12, 18, 14, 22, 17, 17, 12, 26, 12, 13

A.

15
B.

12
C.

14
D.

15.8


Correct Answer : C

the median of a data set is the element that is found on the middle position. It is found by organizing the elements from the smallest to largest.

The data set above arranged from the smallest to largest is:

11, 12, 12, 12, 13, 14, 17, 17, 18, 22, 26

The number of elements is odd and the median is found in the (N+1)/2 th position. Here N=11, and the median falls in (11+1)/2=12/2=6 th position.

The element 14 falls in the 6th position, which is our median of the given data set.


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