In statistics, a sample is a number of participants or observations from the full population, which are being measured. A random sample is preferred. This means that all participants from the population have an equal chance of being selected for the sample. A sample is representative if a certain characteristic occurs as frequently in the sample as in the population.
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Glossary for Statistical Samples
Definitions and explanations of relevant terminology generally associated with statistical samples
Statistics Magazine: Understanding statistical samples
In short: Statistical samples
- A statistical sample is a small group of people or things that is used to represent a larger group. This is often done because it is not possible or practical to measure the entire group.
- If the sample is representative of the larger group, then the results of the analysis of the sample can be used to make inferences about the larger group.
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