Apartment occupancy frequency and dot diagrams

Apartment occupancy frequency and dot diagrams

Secondary 2
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.

  1. Construct a frequency table.
  2. Draw a dot diagram.
  3. State the mode.
  4. Find the percentage with at most 3 occupants.

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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