Cambridge IGCSE MathematicsSyllabus 0580Unit 3: Probability and statistics
Chapter 12
Averages and measures of spread
Calculate and compare mean, median, mode, range and quartiles across raw data, frequency tables and grouped distributions for Cambridge IGCSE Mathematics.
What You'll Learn
- 01Mean, median and mode of raw data
- 02Range and comparing data distributions
- 03Averages from ungrouped frequency tables
- 04Estimated mean for grouped data
- 05Modal class and median intervals
- 06Quartiles and interquartile range (IQR)
Resources
Topical Past Papers
Practice questions from licensed topical past papers organised around this topic.
Chapter Topics
5 official subtopics12.1Different types of average
12.2Making comparisons using averages and ranges
12.3Calculating averages and ranges for frequency data
12.4Estimating the mean and finding the modal class for grouped data
Extended12.5Quartiles
ExtendedYour Learning Journey
Plan your chapter across focused 60-minute sessions.
5 Sessions5 Hours (300 min)
01LEARN
02LEARN
03LEARN
04PRACTICE
05EXAM
01
LEARN
12.1 Different types of average
12.2 Making comparisons using averages and ranges
Session 1 of 5Focus: Averages, range & comparisons
02
LEARN
12.3 Calculating averages and ranges for frequency data
12.4 Estimating the mean and finding the modal class for grouped data
Session 2 of 5Focus: Frequency & grouped data tables
03
LEARN
12.5 Quartiles
Session 3 of 5Focus: Quartiles & interquartile range
04
PRACTICE
Chapter Practice
Session 4 of 5Focus: Chapter consolidation
05
EXAM
Past Paper Practice
Session 5 of 5Focus: Timed exam application
01
LEARN
12.1 Different types of average
12.2 Making comparisons using averages and ranges
Session 1 of 5
02
LEARN
12.3 Calculating averages and ranges for frequency data
12.4 Estimating the mean and finding the modal class for grouped data
Session 2 of 5
03
LEARN
12.5 Quartiles
Session 3 of 5
04
PRACTICE
Chapter Practice
Session 4 of 5
05
EXAM
Past Paper Practice
Session 5 of 5
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