Statistical problems - data collection
I can choose what data needs to be collected to explore a statistical problem.
Statistical problems - data collection
I can choose what data needs to be collected to explore a statistical problem.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- Different statistical problems need investigating in different ways.
- Effective data collection avoids bias where appropriate.
- When sampling from a population, the sample size needs to be practical.
Keywords
Population - The population is the entire set of people, creatures, plants or items that make up the whole group which is being studied.
Bias - Bias can be present in any sample collected from a population and may affect the results of a statistical investigation
Sample - A sample is a subset of the population
Common misconception
The word 'population' always refers to the entire population of a country or the world.
The population in a given context is defined by the entire set of people/creatures/items that are being considered.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Lesson video
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Starter quiz
6 Questions
