Populations, censuses and samples
Populations, censuses and samples
A population is the complete set of people or objects about which information is required. Each individual member is a sampling unit, and a sample is a subset of the population from which data is collected.
Step-by-step lessons on AQA A Level Maths 2.1.1 Populations, samples and sampling techniques. Each one builds up to exam-style questions. Build fluency with the core pure algebra and calculus toolkit early, since almost every mechanics and statistics topic on the course depends on it.