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Averages

Revise Averages in Statistics for GCSE Mathematics with 14 exam-style questions and 20 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.

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Why Do We Need Averages?

Introduction 2

Key Facts About Averages

Key Facts 3

Understanding Each Type of Average

Deep Dive 4

Visual Comparison of Averages

Diagram 5

Exam Tips for Averages

Exam Tips 6

Advanced Techniques

Deep Dive 7

Knowledge Organiser: Averages (Mean, Median, Mode)

Summary

Sample Flashcards

What is the mean?

The mean is the sum of all values divided by the number of values. It's also called the arithmetic average.

What is the mode?

The mode is the value that appears most frequently in a dataset. A dataset can have no mode, one mode, or multiple modes.

Exam questions for Averages

What is the mode of this dataset? 3, 5, 5, 7, 9, 3, 5, 11

A. 3
B. 5
C. 7
D. 11

1 markfoundation

Class A has test scores: 55, 62, 58, 60, 61, 63, 57. Class B has test scores: 20, 60, 62, 63, 61, 58, 64. A teacher says 'Class A has a higher mean score, so Class A performed better overall.' Give a mathematical reason why this conclusion may be misleading.

3 markshigher

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