Q. 293.5( 8 Votes )

The table b

Answer :



Where N = total samples


C.F = Cumulative frequency of class preceding median class


f = Frequency of the median class


h = width of the Class interval


l = Lower limit of median class


(Note: The median class is the class under which observation falls)


, which falls in (10 – 15) which is now the median class


Putting necessary values in the formulae



= 10 + 3.421


= 13.421 thousand rupees

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