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CAIE IGCSE Mathematics Core C9.3.1 Calculate the Mean Median Mode and Range for Individual Data and Questions

Practise Core CAIE IGCSE Mathematics by ordering data, using frequencies and calculating the mean, median, mode or range for the stated purpose.

Syllabus
2028–2030
Course
Mathematics 0580
Level
Core

Exam points

  • Calculate the mean, median, mode and range for individual data lists and frequency tables.
  • Choose and distinguish mean, median, mode or range according to the data and the purpose of the summary.
  • Use ordered data, totals and frequencies accurately to determine the requested statistical measure.

CAIE IGCSE Mathematics Core C9.3.1 Calculate the Mean Median Mode and Range for Individual Data and Questions question 1

[Maximum number: 3]

The stem-and-leaf diagram shows the scores of each of 27 students in a test.

Table for Question CAIE IGCSE Mathematics Core C9.3.1 Calculate the Mean Median Mode and Range for Individual Data and Questions question 1 — CAIE IGCSE Mathematics Core

Key: 2|8 represents a score of 28

Question (a)

(a)

Find the range of the scores.

[ 1 ]

Question (b)

(b)

When the score for another student is included in the diagram the new range is 38.
Find the two possible scores for this student.

[ 2 ]
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