Draw a pie chart showing the following information. The table shows the colours preferred by a group of people.
|
Colours |
Number of people |
|
Blue |
18 |
|
Green |
9 |
|
Red |
6 |
|
Yellow |
3 |
|
Total |
36 |
The central angle for each colour can be calculated as follows.
|
Colours |
Number of people |
In fraction |
Central angle |
|
Blue |
18 |
|
|
|
Green |
9 |
|
|
|
Red |
6 |
|
|
|
Yellow |
3 |
|
|
The pie chart of the above data is as follows.
