The weights (in kg) of 30 students of a class are as follows:
Question:

The weights (in kg) of 30 students of a class are as follows:

39, 38, 36, 38, 40, 42, 43, 44, 33, 33, 31, 45, 46, 38, 37,

31, 30, 39, 41, 41, 46, 36, 35, 34, 39, 43, 32, 37, 29, 26

Prepare a frequency distribution table using one class interval as (30-35), 35 not included.

(i) Which class has the least frequency?

(ii) Which class has the maximum frequency?

Solution:

(i) The class interval $25-30$ has the least frequency, i.e. $2 .$

(ii) The class interval $35-40$ has the maximum frequency, i.e. $11 .$