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Cumulative frequency polygon is also called

In a cumulative frequency polygon, frequencies are plotted against

For drawing a frequency polygon of a continuous frequency distribution, we plot the points whose ordinates are the frequency of the respective classes and abscissa re respectively

A cumulative frequency table is also known as

The sum of the interior angles of a polygon is twice the sum of its exterior angles. How many sides does the polygon have

Polygon is said to be convex polygon if none of its interior angles is

Each interior angle of a regular polygon is 120 degrees greater than each exterior angle. How many sides are there in the polygon