Examlex
This is an intensional definition: "Rock band" means a group like the Beatles, the Doors, the Animals, etc.
Null Hypothesis
A type of hypothesis used in statistics that proposes that no statistical significance exists in a set of given observations.
Research Hypothesis
A specific, testable prediction about the expected outcome of a study.
Representative Sample
A segment of the population that precisely mirrors the characteristics of the whole population.
Population
The entire group of individuals or instances about whom the research is focused.
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