Apartment occupancy frequency and dot diagrams
Apartment occupancy frequency and dot diagrams
Secondary 2
8 marks
TGM Original Questions
The numbers of occupants in 20 apartments are: 2, 1, 4, 2, 6, 3, 2, 5, 1, 4, 2, 3, 6, 4, 5, 1, 2, 4, 3, 1.
- Construct a frequency table.[3]
- Draw a dot diagram.[3]
- State the mode.[1]
- Find the percentage with at most 3 occupants.[1]
Solution:
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Answer:(a) frequencies \(1:4,2:5,3:3,4:4,5:2,6:2\) (b) corresponding dot plot (c) \(2\) (d) \(60\%\).
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