Question

In holidays number of study hours every day of students of class 8 is shown in the graph

Answer the following questions—

(i) How many hours did most of students studied?

(ii) How many students studied for 5 or less than 5 hours?

(iii) How many students studied in vacations?

(iv) Frequency of which class interval is maximum?

Answer 1

(i) Maximum students studied for 4-5 hours.

(ii) Number of students who studied for 5 or less than 5 hours = 4 + 8 + 20 + 28 = 60.

(iii) Number of students who studied during the holidays = 4 + 8 + 20 + 28 + 16 + 24 = 100.

(iv) Class interval 4-5 has the maximum frequency.