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 Form 3 Geography: Statistical Methods online lessons

Disadvantages of compound bar graphs

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Answer Text:
Disadvantages of compound bar graphs:
1. It doesn’t show the trend of components (change over time).
2. Can’t be used to show many components as there is limited space upwards
3. Tedious as there is a lot of calculation work involved.
4. Not easy to trace individual contribution made by members of the same bar
5. Poor choice of vertical scale causes exaggeration of bars length leading to wrong conclusions