The numbers 50 42 35 2x 10 2x 8 12 11 8 have been written in a descending order If their median is 2...

Question

The numbers 50 42 35 2x 10 2x 8 12 11 8 have been written in a descending order If their median is 25 find the value of x

Accepted Answer

We know that n 8 which is even It is given that median 25 We can write it as n2th term n2 1th term 25 By substituting the values 82th term 82 1th term 25 So we get 4th value 5th value 25 It can be written as 2x 10 2x 82 25 On further calculation 4x 2 50 By subtraction 4x 48 By division x 12 Therefore the value of x is 12

RS Aggarwal Solutions Class 9 Mathematics Solutions for Mean Median And Mode Of Ungrouped Data Exercise 18C in Chapter 18 - Mean Median And Mode Of Ungrouped Data