This key facts covers Key Facts About Averages within Averages for GCSE Mathematics. Revise Averages in Statistics for GCSE Mathematics with 14 exam-style questions and 20 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 2 of 6 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 6
Practice
14 questions
Recall
20 flashcards
Key Facts About Averages
- Mean: Add all values and divide by the number of values
- Median: The middle value when data is arranged in order
- Mode: The value that appears most frequently
- Each average tells us something different about the data
- Outliers (extreme values) affect the mean more than median or mode