CBSE Class 11-commerce Answered
Histogram,polygon,frequency curve ,ogive
Asked by Mohdriyazbhati786 | 15 Dec, 2018, 07:27: PM
Expert Answer
Polygon ia method of presenting the frequencies in the form of rectangle and joining the mid-points of the tops of the consecutive rectangles is known as a frequency polygon.
It is an alternative to a histogram but is derived from a histogram itself. However, a frequency polygon can be drawn even without presenting the histogram.
Frequency polygon without histogram: Mid-points of the respective class intervals are calculated and presented graphically against their respective frequencies. Here, the points are joined by using a foot rule to obtain the frequency polygon curve.
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Answered by Tharageswari S | 17 Dec, 2018, 11:07: AM
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