A pie chart can show collected data in sectors. Each sector can be labelled, or can be colour coded with a key. When drawing a pie chart, a protractor will be used to draw the angles accurately.

Today, we update one of our favorite charts, which looks at how orders route ... and how orders are handed by brokers, means each pie actually works quite differently to the others.

Passing on the humble pie Pie charts are often the first pick when it comes to presenting data with different categories, such as age group or blood type. These categories are represented as ...

The global data analytics market is booming ... Though his inventions -- bar graphs, line charts, and pie charts -- are used every day, his name is barely remembered. And Playfair's story is ...

Pie charts are a way to show data. Pie charts show proportions of a whole. The circle of the pie chart represents the whole. That's a full 360 degrees. Each part, or slice, represents part of the ...