3rd level; Presenting data - graphs, charts and diagrams Pie charts. Statistical information can be presented in diagrams, graphs and charts. The type you use will largely depend on the sort of ...

For example, this chart from a study on data sources used for COVID data visualisation shows hundreds of categories in one pie. A pie chart with dozens of categories.

Pie charts and bar graphs may look like something out of 3rd grade math, but for business users, going from raw data to a chart that’s both useful and good looking is more complicated.

Even in charts and graphs, using colors in a common way can go a long way to achieving visual consistency. As noted in the pie chart section, the largest piece of data should always start at the top ...

Pie charts also work well for displaying discrete data, as all the values combined equal 100 percent of the total. Because of this, pie charts are also a good way to display your values as ...

Pie charts show percentages as a circle, divided into segments. A pie chart could be used to show how students travel to school. Each piece of data is shown as a proportion of 360, because there ...

Software packages for charting data often offer menus; i.e., lists of charts that are available. Excel offers a menu; Tableau has Show Me! Elementary statistics and graphing books offer recipes; i ...

The Circle Graph and Pie Chart . No one really knows how Playfair dreamt up the pie chart. Some wonder whether it’d always been around—and if Playfair was just the first to actually publish one.