Choosing a useful display
Choosing a useful display
Secondary 2
5 marks
TGM Original Questions
A librarian records the numbers of books borrowed by 16 visitors: 0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 7 and 9.
- Choose a dot diagram or a grouped histogram to show every recorded value. Draw the chosen diagram.[3]
- Explain one advantage and one disadvantage of your choice compared with a grouped histogram.[2]
Solution:
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Answer:(a) Dot diagram as shown. (b) Exact values are retained, but large datasets can make dot stacks crowded.
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