To display a record of information in a graphical interface, pie charts, bar diagrams, and other such chart diagrams are the best ways to present or communicate information visually. If you don’t have ...

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. In a survey, 100 school students were asked to name their ...

To draw a pie chart, we need to represent each part of the data as a proportion of 360, because there are \(360^{\circ}\) in a circle. For example, if 55 out of 270 vehicles are vans, we will ...

Whether you are preparing a proposal for a new client or presenting your annual sales forecast, pie charts provide an instant visualization of complex numbers. Microsoft Excel includes a range of ...

Remember Pie Week? That series of stories, produced with our friends over at Morning Edition in July 2012, was a hit here on The Salt. Well, thanks to the wonders of Internet search, we have an excuse ...

Have you ever found yourself staring at a jumble of numbers, wishing they could magically transform into a clean, professional-looking chart? Whether you’re preparing for a big presentation, ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. “There is no such thing as an innocent map,” observes Philippe Rekacewicz in his catalogue essay that ...

Excel displays percentages of a whole using pie charts, also known as wedge charts of circle graphs. Businesses tend to rely on such charts. The diagrams appear cluttered when graphing many items, and ...