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Pie charts and frequency diagrams Once raw data has been collected, you need to represent it in a diagram. Two ways of doing this are to use a pie chart or frequency diagram.

Pie charts are drawn as a circle representing all the data given. The 360 degrees about the centre of the circle is divided up according to the proportions of the different quantities shown.

Learn how to use whiteboards as a simple and versatile tool to create diagrams and charts for your project. Find tips and tricks to plan, draw, improve, and present your visuals.