Q14 of 35 Page 209

A histogram is the graphical representation of a grouped data whose class-boundary and frequency are taken respectively.

class boundaries are taken on x-axis and the frequency is taken on the y-axis.

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14

Each of the area of each of the rectangle of a histogram is proportional to

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A frequency polygon is drawn by the frequency of the class and

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To draw a histogram, the class-boundaries are taken

 14

In case of drawing a histogram, the base of the rectangle of each class is