Bar graph
Double bar graph
Double bar graphs, also called double bar charts, help us to compare or present more than one kind of information, situations, or events instead of just one by using bars.
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Mystery Adventure Science
Fiction
Biography Other
Boys
Girls
Favourite books of students
Advantages of bar graphs
ADVANTAGES:-1. Beautiful and neatly constructed diagrams/charts are more attractive then simple figures2. Comparison is made easy and it will save time of the user to make quick comparison of large data.3. You can record comparison between two things or objects.
4. Be easily understood due to widespread use in business and the media