2026/27 Enrolment Open · Free Assessment
Cambridge IGCSE MathematicsSyllabus 0580Unit 5: Probability and statistics
Chapter 20

Histograms and cumulative frequency diagrams

Construct and interpret histograms using frequency density, and plot cumulative frequency curves to estimate medians, quartiles and percentiles for Cambridge IGCSE Mathematics.

What You'll Learn

  • 01Frequency density and unequal intervals
  • 02Drawing histograms for continuous data
  • 03Finding frequencies from bar areas
  • 04Cumulative frequency tables and curves
  • 05Estimating median and quartiles
  • 06Interquartile range and percentiles
Resources

Topical Past Papers

Practice questions from licensed topical past papers organised around this topic.

View Topical Past Papers →

Chapter Topics

4 official subtopics
20.1Histograms and frequency density
Extended
20.2Interpreting histograms with unequal class intervals
Extended
20.3Cumulative frequency tables and curves
Extended
20.4Estimating median, quartiles, interquartile range and percentiles
Extended

Your Learning Journey

Plan your chapter across focused 60-minute sessions.

4 Sessions4 Hours (240 min)
01
LEARN
60 MIN
20.1 Histograms and frequency density
20.2 Interpreting histograms with unequal class intervals
Session 1 of 4
02
LEARN
60 MIN
20.3 Cumulative frequency tables and curves
20.4 Estimating median, quartiles, interquartile range and percentiles
Session 2 of 4
03
PRACTICE
60 MIN
Chapter Practice
Session 3 of 4
04
EXAM
60 MIN
Past Paper Practice
Session 4 of 4
1-to-1 Mathematics Tuition · Cambridge IGCSE Mathematics

Master Chapter 20: Histograms and cumulative frequency diagrams with Siddharth Agrawal

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