Question

$\begin{array}{cc}\text{Colours}& \text{No. of people}\\ \text{Blue}& 18\\ \text{Green}& 9\\ \text{Red}& 6\\ \text{Yellow}& 3\\ \text{Total}& 36\end{array}$

Draw a pie chart showing the given information. The table shows the colours preferred by a group of people. Calculate the respective proportion of each colour.
[3 MARKS]

Answer 1

Concept: 1 Mark
Graph: 1 Mark
Calculation: 1 Mark

Following is the required pie chart:

Calculation:

$a)\frac{18}{36}\times {360}^{\circ }={180}^{\circ }$

$b)\frac{9}{36}\times {360}^{\circ }={90}^{\circ }$

$c)\frac{6}{36}\times {360}^{\circ }={60}^{\circ }$

$d)\frac{3}{36}\times {360}^{\circ }={30}^{\circ }$