A pie chart is a circular chart. It shows the proportion of each group at a glance. Remember that there are 360° in a circle so each group in the pie chart will be a proportion of 360°.
A survey of the number of people in 180 vehicles is taken.
The results are in the table below.
|Number of people in a vehicle||Frequency|
|5 or more||2|
To draw a pie chart for this data, find the proportion of 360.
|Number of people in vehicle||Frequency||Calculation||Angle|
|5 or more||2||4°|