The heights (in cm) of 50 students of a class are given below:


Height (in cm)



156



154



155



151



157



152



153



Number of students



8



4



10



6



7



3



12



Find the median for the following height.

By arranging the data in ascending order,


Height (in cm) (x)



No. of students (f)



Cumulative frequency



151



6



6



152



3



9



153



12



21



154



4



25



155



10



35



156



8



43



157



7



50




N = 50




We have,


N = 50 (even number)


Median =



As we can see height of 25th student is 154 and 26th student has the height of 155 cm



So the median height is 154.5cm


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