ProbabilityAQAEdexcelOCRWJEC

Two-Way Tables

Revise Two-Way Tables in Probability for GCSE Mathematics with 12 exam-style questions and 4 flashcards. Use the notes, sample questions, and flashcards below to connect this topic to the rest of your GCSE revision plan.

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Organizing Data in Tables

Introduction 2

Key Facts

Key Facts 3

Example: Student Subject Preferences

Deep Dive 4

Exam Tips

Exam Tips 5

Knowledge Organiser: Two-Way Tables

Summary

Sample Flashcards

What is a two-way table?

A table that shows frequencies for two categorical variables

What is a joint frequency?

The number in each cell, representing the intersection of a row and column

Exam questions for Two-Way Tables

A two-way table shows information about 80 students. It shows whether they study French or Spanish, and whether they are in Year 10 or Year 11. The total number of Year 10 students who study French is the value found by looking at which intersection?

A. The Year 10 row and the Total column
B. The French column and the Year 10 row
C. The Total row and the French column
D. The Total row and the Total column

1 markfoundation

Explain why the denominator changes when finding conditional probability from a two-way table.

2 markshigher

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