4024/11 Oct/Nov 2023, Question 5: Bar Charts and Composite Bar Charts
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 2 marks
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The question, in short
From a bar chart of how many pets 20 people own, work out the spread of the data and the share of people with 3 pets.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Part (a) · 1 mark
Using the frequencies read from the chart, calculate the difference between the largest and smallest values.
- 1Range = 4 − 0 = 4
Answer4
Part (b) · 1 mark
Write, as a fraction of 20, how many people reported owning 3 pets.
- 13 pets: frequency 5
- 2Fraction = 5/20
Answer5/20
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