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3

The frequency table shows the activities during leisure time for Form 1 Bakti students.
Construct a bar chart to represent the data and justify the appropriateness of the data
representation.

Activity Frequency
Reading 8
Watching television 9
The bars in a bar chart
Surfing the Internet 7
can be drawn horizontally
Exercising 6 or vertically.
Listening to music 4

Steps to construct a bar chart:

Choose one of the axes Draw the bars such
Draw the
horizontal to mark a suitable scale that the height of Write down
and vertical and label the axis with the each bar corresponds the title
axes on number of students. Label to the frequency of of the
a grid. the other axis with types the category bar chart.
of activities. it represents.

Activities During Leisure Time Activities During Leisure Time

10 Listening
to music
Number of students 6 or Activity the Internet
8
Exercising
Surf ing
4
Watching
television
2
Reading
0 0 2 4 6 8 10 CHAPTER
Reading Watching television Surf ing the Internet Exercising Listening to music Number of students

Activity 12

These bar charts are suitable for comparing the number of When representing data
students with the different leisure activities. using a bar chart:
• the width of each bar
Scan the QR Code or visit https://goo.gl/UxjF6c and must be uniform.
open the file various bar charts_pdf regarding data • the bars need to be
representation using various types of bar charts. evenly spaced.

269
Data Handling

12 TB Math F1.indd 269 11/10/16 12:21 PM