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Book Free DemoFrequency polygon
A frequency polygon is a line graph, and it is obtained by joining the mid-points of the frequency rectangles.
Let us look at an example of a frequency polygon.
The line graph forms a closed surface with many sides, hence the name frequency 'polygon'.
Types of frequency polygon
Frequency polygons are of two types, namely:
1. Frequency polygon with histogram
2. Frequency polygon without histogram.
When the line graph is over a histogram, then it is a frequency polygon with a histogram.
When the line graph alone is visible while the histogram is not, it is a frequency polygon without a histogram.
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