A legend or key can be applied to all graphs, but may not always be present. T or F
2 answers:
The correct answer is TRUE.
A legend or key is defined an the element of a graph, that is introduced to provide aditional information that helps the reader to interpret the information represented by the graph. It is not mandatory to include it but, in some cases, it is quite likely that the graph is not properly understood otherwise.
<em>The image attached would be an example of a legend/key. </em>
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