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CAIE A-Level Mathematics A2 5.1.3 Averages and Spread Questions

Practise finding and comparing medians, quartiles, interquartile ranges and means from data.

Syllabus
2028–2030
Course
Mathematics 9709
Level
A2

Exam points

  • calculate medians, quartiles and interquartile ranges
  • compare location and spread between distributions
  • choose mean or median as a suitable summary of data

CAIE A-Level Mathematics A2 5.1.3 Averages and Spread Questions question 1

[Maximum number: 1]

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 5.1.3 Averages and Spread Questions question 1 — CAIE A-Level Mathematics A2

Hence state one difference between the distributions of the times for the Penguins and the Dolphins.

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