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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: 2]

The heights, in cm, of the 11 basketball players in each of two clubs, the Amazons and the Giants, are shown below.

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

Find the interquartile range of the heights of the players in the Amazons.

Four new players join the Amazons. The mean height of the 15 players in the Amazons is now 191.2 cm . The heights of three of the new players are 180 cm,185 cm180 \mathrm{~cm}, 185 \mathrm{~cm} and 190 cm .

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