Graphs and Charts
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A graph or chart should be clear andunambiguous. In order to help to achieve this aim anumber ofrules should be followed:
Give each graph or chart a name or atitle
State the source of any data that hasbeen used
State the units of measurement that havebeen used
Give a scale so that the graph or chartcan be properly interpreted
Ensure that the presentation is neat
Use a key to explain the contents
If axes are used, they should be properly labelled.

