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CAIE A-Level Mathematics A2 5.1.2 Charts and Diagrams Questions

Practise constructing and interpreting histograms, stem-and-leaf diagrams and box-and-whisker plots.

Syllabus
2028–2030
Course
Mathematics 9709
Level
A2

Exam points

  • construct histograms and statistical diagrams from grouped data
  • construct and compare stem-and-leaf and box-and-whisker plots
  • interpret distributions and compare data sets using diagrams

CAIE A-Level Mathematics A2 5.1.2 Charts and Diagrams Questions question 1

[Maximum number: 7]

The times taken, in seconds, by 15 members of each of two swimming clubs, the Penguins and the Dolphins, to swim 50 metres are shown in the following table.

Table for Question CAIE A-Level Mathematics A2 5.1.2 Charts and Diagrams Questions question 1 — CAIE A-Level Mathematics A2

Question (a)

(a)

Draw a back-to-back stem-and-leaf diagram to represent this information, with Penguins on the left-hand side.

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Question (b)

(b)

The diagram shows a box-and-whisker plot representing the times for the Penguins.

On the same diagram, draw a box-and-whisker plot to represent the times for the Dolphins.

Figure for Question (b) — CAIE A-Level Mathematics A2
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