Question

The distribution below gives the weights of 30 students of a class. Find the median weight of the students.

Answer 1

(i) n = 30, ∴ \(\frac{n}{2} \)= 15 

Class interval having median is (55 – 60) 

l = 55, n = 30, f = 6, cf = 13, h = 5

= 55 + 1.67 

∴ Median = 56.67 kg.