as the number of observations and classes increase the shape of frequency polygon
1.stay the same
2.tends to become increasingly smooth
3.tends to become jugged
4.various only if data become more reliable
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Answer:
3.tends to become jugged
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As the number of observations and classes increases the shape of frequency polygon tends to become increasingly smooth.
Option (2)
Explanation:
- A frequency polygon is a graphical method of representation of information. It is utilized to represent the shape of the data and to picture the trends. It is normally drawn with the support of a histogram and can also draw without it.
- A histogram is a sequence of rectangular bars and there is no space between them. The histogram is utilized to picture the frequency distributions.
Learn more about frequency polygon
Find the value of a and prepare a frequency distribution table for drawing a frequency polygon. draw a frequency polygon.
class :-20-30,30-40,40-50,50-60,
Frequency :-a, 2a, 3a, a, total 70
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Construct a frequency polygon for the following frequency distribution, using a graph sheet.
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