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Use of the Graphs
a.It simplifies the complexities of large numbers or that of large mass of data. In general graphical or some other method or representation is adopted to represent statistical data. It is on accent of the fact that if all these figures are not represented in some simplified manner then it becomes very difficult either to remember the trend or to follow them.
b.Graphs can easily depict the trend of the subject under study. In the absence of graphs it may become difficult to indicate a particular trend.
c.As compared to the preparation of suitable diagrams to represent the statistical data they may be easily depicted on a graph paper.
d.Classification and tabulation processes ( of representing the statistical data and information's) are both difficult time consuming. As compared to them the graphical methods is both easy and representative.
e.Contrary to other methods of representation of statistical data the graphical method is commonly followed. It can be prepared and used even by common men with little education.
f.The graphical methods may sometimes act as a supplementary and complementary methods of representing the data in addition to the methods of classification tabulation etc.
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