Marks obtained-20,29,28,33,42,38,43,25No.of students-6,28,24,15,2,4,1,20n=100Find mean

Marks obtained-20,29,28,33,42,38,43,25No.of students-6,28,24,15,2,4,1,

1.	Marks obtained-20,29,28,33,42,38,43,25No.of students-6,28,24,15,2,4,1,20n=100Find mean
Answer» answer is 28.5 first write given information in ascending orderthen median = average of n/2th term +n/2+1 th term as n is even 1/2(28+29)57/228.5 28.5