Cambridge IGCSE Mathematics
9.3Averages and range
Averages and range in Cambridge IGCSE Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic38 practice questions2 lessons
Overview
Extended heading: Averages and measures of spread.
Learning objectives
What the syllabus expects you to be able to do.
- 9.3.1Calculate the mean, median, mode and range of individual data in a list or ungrouped frequency table, and choose the average that suits a purpose.
- 9.3.2Extended: calculate the quartiles and interquartile range of individual data.
- 9.3.3Extended: estimate the mean of grouped discrete or continuous data and identify the modal class.
Lessons
- Full access
Averages and range
17 min
- Full access
Averages of grouped data
16 min
Join to read every lesson, or see what Full access includes.
Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Averages and range into a strength.
Practise with instant marking, see your mastery grow and get a study plan built around your exam date.