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Usually data can be presented in the form of table. Graphs are visual representation of data. In this chapter let us study about bar graph, pie graph, Histogram, and line graph.


News channels and magazines use graphs to give a better understanding of the article. Graphs provide a catchy and simple way of comparing things.

Here is a pie chart that clearly compares the sales of a magazine in various countries in the world.


Thus the graphs play a very important role in our lives.

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