Exam-style practice

Quartiles, percentiles and measures of dispersion practice questions

Practise mixed syllabus-aligned questions for Quartiles, percentiles and measures of dispersion. Aligned to Cambridge IGCSE Statistics.

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Quartiles,

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Paper 1Statistical Techniques4 marks

Data Table

The table shows the scores of 10 students in an exam.

a
Calculate Calculate the first quartile (Q1) of the exam scores.
Your answer
Aim for approximately 2 distinct marking points.
[2]
b
Calculate Calculate the third quartile (Q3) of the exam scores.
Your answer
Aim for approximately 2 distinct marking points.
[2]