## Use of the graphs, Operation Research

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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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