Maths Exercises
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Maths Exercices
 
Graphing Statistics & Data

A pie chart is a graphical tool to study a population when it is divided into different categories. Each category is represented by a slice of the pie with angle at the center of the pie proportional to the frequency of the corresponding category.


Patrick is carrying out a survey about where pupils do their homework.

Place
Home
School library
A friend's house
No. Pupils
30
20
10

Calculate the percentages for each category and draw a pie chart.

Place
Home
School library
A friend's house
No. Pupils
30
20
10
Percentage