Note that the hole in the center of the pie should measure about 60 percent of the circle’s diameter. An alternate way to display similar information is with a dot chart. A 10-by-10 grid of dots can ...

The pie chart below shows the heights (in \(cm\)) of 30 pupils in a class. The biggest slice of the pie chart contains the most people: \( 151 - 160cm\). The angle of this sector is \(36^{\circ}\).

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 ...