Chapter 12.1
Collecting and representing data
Understand sampling methods, data types, and represent data effectively with charts and diagrams.
Chapters15
Data representation, probability, distributions, GCSE applications.
Time invested11 hrs
Approximate guided learning.
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Chapter 12.2
Frequency tables and grouped data
Organize data into frequency tables, class intervals, and analyze grouped datasets.
Chapter 12.3
Mean from grouped frequency tables
Calculate estimated means using class midpoints and frequencies.
Chapter 12.4
Modal class and median from grouped data
Find modal classes and estimate medians from frequency distributions.
Chapter 12.5
Cumulative frequency diagrams
Plot and interpret cumulative frequency curves to analyze distribution characteristics.
Chapter 12.6
Cumulative frequency (median and quartiles)
Extract medians, quartiles, and interquartile ranges from cumulative frequency graphs.
Chapter 12.7
Box plots
Construct and interpret box-and-whisker diagrams to visualize data spread.
Chapter 12.8
Comparing distributions
Use statistics and box plots to compare multiple datasets and identify differences.
Chapter 12.9
Scatter graphs (line of best fit and correlation)
Plot bivariate data, find lines of best fit, and interpret correlation strength.
Chapter 12.10
Probability from experiments and theory
Compare experimental and theoretical probabilities; understand sample space.
Chapter 12.11
Two-way tables and Venn diagrams
Use two-way tables and Venn diagrams to organize and analyze conditional probabilities.
Chapter 12.12
Tree diagrams (independent events)
Construct tree diagrams and find probabilities for independent sequential events.
Chapter 12.13
Tree diagrams (conditional probability)
Use tree diagrams to solve problems involving dependent events and conditional probabilities.
Chapter 12.14
Probability AND/OR rules
Apply multiplication and addition rules for compound probability calculations.
Chapter 12.15
Probability problem-solving (GCSE)
Blend all techniques to tackle complex exam-style probability and statistics applications.
Next steps
You have completed the Year 9 Maths curriculum. Well done! Consider reviewing any sections, or move on to Year 10 Maths for advanced topics in pure mathematics, statistics, and mechanics.