Question

3 students from a group of 18 students failed in the examination for the subject of Economics
The marks obtained by the 15 students who passed are as follows:
42, 65, 53, 75, 43, 50, 68, 57, 79, 48, 51, 61, 55, 70, 64. Find the median marks of all 18
students.​

Answer 1

Answer:

57

Explanation:

place them in numerical order=42,43,48,50,51,53,55,57,61,64,65,68,70,75,79

They are total 15 numbers SO, n=15

if even then n/2 but it is odd here so n+1/2

now 15+1/2=8

The 8th number in numerical order is median

           57

IF YOU LIKE MY ANSWER THEN PLZZ RATE AND APPRETIATE IT......