Question

Below is the histogram of number of hours spent by students on mobile phones. How many students spend more than 4 hours on mobile phone?

(a) 9

(b) 1

(c) 31

(d) 12

The question was posed to me by my school teacher while I was bunking the class.

My doubt stems from Data Handling in chapter Data Handling of Mathematics – Class 8

Answer 1

The correct option is (b) 1

Easiest explanation: The height of the bar represents the number of data items in the given data range called frequency. The number of students spending more than 4 hours on mobile phone is 1.