Image caption, The third sector to be drawn ... is playing video games is 20% of the pie chart. Number of pupils = 20% of 660 = 0.20 × 660 = 132. One hundred and thirty-two students’ favourite ...

This pie chart shows the proportions of each type of player at her club. You can see that one quarter of the pie chart represents the number of defenders. You know this because it looks like an ...

You can view one pie chart at a time, or multiple pie charts that are organized in a row or in a grid ... The charts are organized in a row. If you add a third independent variable, its values are ...