Sampling & Estimation
What sampling & estimation means
Populations, samples, bias and confidence.
Worked example
One question from this skill's own question bank, shown with its full working.
A sample is
- a subset of a population used to draw conclusions
- the whole population
- a type of graph
- an error
Working: Studying a good sample lets us estimate population characteristics.
Curriculum and exam alignment
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other Inference & Relationships skills in Statistics & Data Science, at the same point in the course.
Other Statistics & Data Science topics
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Practise sampling & estimation
6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.