Additional Resources
Chapter 4 Classifying data and sampling
Chapter 4 Are you ready?
Chapter 4 Are you ready?
Answers to this topic of the Student book
4A.1 Types of data
This Support sheet will help you revise relevant concepts before you attempt this topic.
4B.1 Populations and samples
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4B.2 Survey questions
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4C.1 Grid references
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4D.1 Writing and simplifying fractions
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4D.2 Multiplying fractions
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4D.3 Calculating percentages
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4E.1 Number patterns
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Chapter 4 Classifying data and sampling
4A Collecting and classifying data
4A Collecting and classifying data
Answers to this topic of the Student book
Example 4A-1 Classifying data
This video tutorial will show you how to solve the example in your Student book.
4A Classifying data
This interactive explains the key concepts from this topic and lets you practise what you have learned.
Chapter 4 Classifying data and sampling
4B Census or sample and self-selected sampling
Chapter 4 Classifying data and sampling
4C Random sampling
4C Random sampling
Answers to this topic of the Student book
Example 4C-1 Using a list of random numbers to select a random sample
This video tutorial will show you how to solve the example in your Student book.
4C What is a good sample size?
This Investigation will help you explore the key concepts in this topic in a fun and interesting context.
4C Generating random numbers
An Excel spreadsheet template designed to help you generate random numbers
Chapter 4 Classifying data and sampling
4D Stratified random sampling
Chapter 4 Classifying data and sampling
4E Systematic sampling
Chapter 4 Classifying data and sampling
4F Suitability of sample types
4F Suitability of sample types
Answers to this topic of the Student book
4F Sample types
This worksheet will help you build your understanding of the key concepts from this topic. Complete this in class or as homework.
4F Types of sampling from a population
This Investigation will help you explore the key concepts in this topic in a fun and interesting context.
4F Methods of sampling
This interactive explains the key concepts from this topic and lets you practise what you have learned.
Chapter 4 Classifying data and sampling