Question:
Below is the histogram depicting marks obtained by 43 students of a class:
(i) Write the number of students getting the highest marks.
(ii) What is the class size?.png)
Solution:
(i) In the given histogram, the interval with the highest marks is $90-100$.
Three students are there in this interval because the height of the rectangle $(90-100)$ is 3 units.
(ii) The class intervals are $10-20,20-30, \ldots, 90-100$. So, the class size is 10 .