📊 Statistics

Correlation

Learn correlation with a GCSE-style explanation, help guide, worked example, practice question and flashcards.

StatisticsGCSE25 XP completion3 flashcards

Global XP

Level 1

0 / 100 XP

1. Explanation

Key idea

Correlation is part of statistics and appears often in KS3–GCSE maths.
Correlation describes the relationship between two variables.
Use the worked model, help guide, interactive question and flashcards to practise correlation until the steps feel automatic.

Shopping, sport, travel, science, design and everyday decisions all use this skill.

2. Visual

Understand the key idea → follow the help guide → practise a question → check your method → build speed with flashcards.

3. Help guide

Learn the rule: Correlation describes the relationship between two variables.
Worked model: Look for the overall trend. Decide positive, negative or none. Avoid saying correlation proves causation.
Try the interactive question without looking at the answer first.
Use the flashcards to test the rule, the method and a common check.

4. Worked examples

Answer: Downward trend means negative correlation

5. Interactive questions

6. Flashcards

Flip each card, then choose whether you know it or need more practice.

0 mastered

FrontRule for Correlation

BackCorrelation describes the relationship between two variables.

FrontExample answer: If points on a scatter graph go up from left to right, what correlation is shown?

BackAn upward trend from left to right is positive correlation.

FrontCommon check for Correlation

BackCheck units/notation, compare with an estimate, and make sure the answer matches the question.

7. Finish

When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.