Q. 23.5( 79 Votes )

The table below s

Answer :


total no. of children = 40


the median is the mean of marks of 20th and 21st child.


both lies in the range of 20-30.


let’s assume a uniform distribution of marks.


i.e., 14th child has 20 marks and 15th child has 20 + marks.


marks of 15th child =


marks of 20th child =


marks of 20th child = 25


also, marks of 21st child =


median =


median =


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