CAIE A-Level Mathematics A2 5.1.4 A Cumulative Frequency Graph E Questions
Practise using cumulative-frequency graphs to estimate quartiles, percentiles and interquartile ranges.
- Syllabus
- 2028–2030
- Course
- Mathematics 9709
- Level
- A2
Exam points
- read quartiles and percentiles from cumulative-frequency graphs
- estimate interquartile ranges and threshold values
- interpret cumulative-frequency distributions and their spread
CAIE A-Level Mathematics A2 5.1.4 A Cumulative Frequency Graph E Questions question 1
The times taken, in minutes, by 150 students to complete a puzzle are summarised in the table.
In which class interval does the lower quartile of the times lie?
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