CMA Foundation · Fundamentals of Business Laws and Business Communication · Use of Graphics and References for Business Communication
In a bar chart, what is the main purpose of the legend or key?
The legend or key explains what each colour or pattern in the chart stands for, so readers can tell the data series apart. It does not replace the title, show totals or identify the author.
- ATo explain what each colour or pattern representsCorrect
- BTo show the total of all bars
- CTo state the author's name
- DTo replace the chart title
Explanation
A legend identifies the colours, shades or patterns used for different series, letting readers interpret the chart correctly. It does not give totals, authorship or the title.
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