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10 cards from this deck
Population is the entire group studied, e.g., all students.
A census collects data from every member of the population.
Complete accuracy since all members are included.
An individual item or person from whom data is collected.
A sample that reflects the population's characteristics.
It reduces the impact of unusual responses, increasing reliability.
Surveying only morning gym users favors that group.
A small trial run to identify problems before the main study.
Bias can lead to misleading results in statistical studies.
Ensure it is complete and up-to-date to avoid errors.
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