AQA A-Level Business 7132
What Is Business?
Managers, Leadership and Decision Making
Marketing Management
Operational Management
Financial Management
Human Resource Management
Analysing the Strategic Position of a Business
Choosing Strategic Direction
Strategic Methods: How to Pursue Strategies
Managing Strategic Change
Problems with Strategy and Why Strategies Fail
Marketing Management
Sampling methods
- 1 thing to know
- Papers 1, 2 and 3
Overview
Random, stratified and quota sampling, and the trade-offs between them.
What you need to know
Answer each one before you reveal it.
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is sampling in marketing research?
Model answer
Selecting a representative group from a larger population to gather data about the whole population.
- 2
Why do businesses use sampling rather than surveying an entire population?
Model answer
Sampling reduces the cost and time of research while still providing useful insights.
- 3
Define random sampling.
Model answer
A sampling method where every member of the population has an equal chance of being selected.
- 4
What is stratified sampling?
Model answer
Dividing the population into distinct subgroups based on shared characteristics and then selecting randomly from each subgroup in proportion to its size.
- 5
Define quota sampling.
Model answer
Selecting a specified number of respondents from particular categories until the quota for each category is filled, without random selection.
- 6
What is an advantage of random sampling?
Model answer
It eliminates selection bias.
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