Question 12 Marks

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?

Answer

$i.$ 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 $10-20, 20-30, ......, 90-100.$
So, the class size is $10.$

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