Answer :

To find median,

Assume Σfi = N = Sum of frequencies,


h = length of median class,


l = lower boundary of the median class,


f = frequency of median class


and Cf = cumulative frequency


Lets form a table.



So, N = 150


N/2 = 150/2 = 75


The cumulative frequency just greater than (N/2 = ) 75 is 120, so the corresponding median class is 200 - 300 and accordingly we get Cf = 72(cumulative frequency before the median class).


Now, since median class is 200 - 300.


l = 200, h = 100, f = 48, N/2 = 75 and Cf = 72


Median is given by,




= 200 + 6.25


= 206.25


Thus, median wage is Rs. 206.25.


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