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3.3 Difference Between Diagrams And Graphs

There is no clear-cut line of demarcation between a diagram and a graph yet -

  1. A graph needs a graph paper but a diagram can be drawn on a plain paper. In the technical way we can say that a graph is a mathematical relation between two variables. This however is not the case of a diagram.

  2. As diagrams are attractive to look at, they are used for publicity and propaganda. Graphs on the other hand are more useful to statisticians and research workers for the purpose of further analysis.

  3. For representing frequency distribution, diagrams are rarely used when compared with graphs. For example, for the time series graphs are more appropriate than diagrams.


3.1 Introduction
3.2 Comparison Between Tabular And Diagrammatic Presentation
3.3 Difference Between Diagrams And Graphs
3.4 General Principles Of Constructing Diagrams
3.5 Bar Diagrams
3.6 Pie Chart
3.7 Graphs
3.8 Box and Whiskers

Chapter 4

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