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| Introduction |
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| Facts and figures as such do not catch our attention unless they are presented in an interesting way. Graphical representation of data is one of the most commonly used modes of presentation. Graphs can not only be made attractive, but they are also easy to comprehend and do not take much time to read. The different types of graphs that we are going to study are |
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| 1. Bar graphs |
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| 2. Pie charts |
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| 3. Frequency polygon |
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| 4. Histogram |
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