Kumar-2011-Research-Methodology_-A-Step-by-Step-Guide-for-Beginners

Chapter 16: Displaying Data 299
40
Attitude towards uranium mining by age
(hypothetical data – Table 16.1)
36
Number of respondents
30
20
10
0
14
Figure 16.2a Two-dimensional histogram
27
<25 25–34 35–44
Age of respondents
20
3
45–54 55+
Attitude towards uranium mining by age
(hypothetical data – Table 16.1)
40
36
Number of respondents
30
20
10
14
27
20
3
0
<25 25–34 35–44 45–54 55+
Age of respondents
Figure 16.2b
Three-dimensional histogram
along the x-axis and the number or percentage of respondents on the y-axis. However, as
illustrated, it is possible to display the discrete categories along the y-axis. The bar chart is an
effective way of visually displaying the magnitude of each subcategory of a variable.