Q. 94.5( 2 Votes )

Write the median

Answer :

First, we prepare the cumulative frequency table for above data



We know that median class of a data is the class-interval corresponding to cumulative frequency just greater than


Where,


N = sum of all frequencies


As N = 100 therefore


And


Cumulative frequency just greater than 50 is 60 which lies corresponding to class 40-50


Hence, 40-50 is median class.


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