0580/12 May/Jun 2022, Question 6: Bar Charts and Composite Bar Charts
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 2 marks
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The question, in short
Sammy's bar chart shows favourite hot drinks for some students. Give two different reasons why the chart is incorrect.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 11. Bars are not the same width (the Coffee bar is wider)
- 22. Frequency scale is not linear (0, 1, 2, 4, … has unequal steps)
Answer1. Bars are not the same width 2. Frequency scale is not linear
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