Question

When rectangles are drawn with the areas proportional to the frequencies of respective class intervals, what is the diagram called?

(a) Bar graph

(b) Frequency polygon

(c) Pie graph

(d) Histogram

Answer 1

Correct option is (d) Histogram

The histograms are diagrams which represent the class interval and the frequency in the form of a rectangle

There will be as many adjoining rectangles as there are class intervals. 

So, when rectangles are drawn with the areas proportional to the frequencies of respective class intervals, the diagram called Histogram.