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Answer» Difference between diagrams and graphs: | Diagram | Graph | | 1. One does not need to have a thorough knowledge of statistics to draw it. | 1. One needs to have a thorough knowledge of statistics to draw it. | | 2. A diagram is drawn for data having discrete(discontinuous) frequency distribution. | 2. A graph is drawn for data having continuous frequency distribution | | 3. It is put before general public for their knowledge about various events. | 3. It cannot be put before general public because people cannot understand it without thorough knowledge of statistics. | | 4. Diagram is self explanatory in nature and can be easily created and understood by anyone. | 4. Graph is neither self explanatory nor easy to create. Only researchers or people having thorough knowledge about statistics can create and understand it. | | Example: Pictograph, scatter diagram, bar diagram, pie diagram etc | Example: Time series graph, histogram, cumulative frequency polygon and graphs for logarithmic data, etc. |
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