The Conversation

Here’s why you should (almost) never use a pie chart for your data

Adrian Barnett is a member of the Statistical Society of Australia. Victor Oguoma is a member of the Statistical Society of Australia. Our lives are becoming increasingly data driven. Our phones ...
GIGAZINE

What is the reason for the argument that pie charts should be avoided for data display?

Pie charts are often used to show percentages of a whole. However, Professor Adrian Barnett, a statistician at the Queensland University of Technology, and researcher Victor Ogwoma argue that ``pie ...
BBC

Presenting data - graphs, charts and diagrams

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. The ...
BBC

Data shown on graphs

Pie charts show percentages as a circle, divided into segments. This pie chart shows how students travel to school. Each piece of data is shown as a proportion of 360, because there are 360 degrees in ...