Statistics Sampling Definitions

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Population
Whole set of items that are of interest.
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Census
Observes every member of a population.
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Sample
Observations from subset of population, used to find information about population as a whole.
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Simple Random Sample
Every sampling unit of sample has equal chance of being selected.
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Systematic Sampling
Elements chosen at regular intervals from ordered list.
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Stratified Sampling
Population divided into mutually exclusive strata, random sample taken from each.
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Quota Sampling
Researcher selects sample that reflects characteristics of population.
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Opportunity Sampling
Sample from people available at time of study and fit criteria.
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Other cards in this set

Card 2

Front

Observes every member of a population.

Back

Census

Card 3

Front

Observations from subset of population, used to find information about population as a whole.

Back

Preview of the back of card 3

Card 4

Front

Every sampling unit of sample has equal chance of being selected.

Back

Preview of the back of card 4

Card 5

Front

Elements chosen at regular intervals from ordered list.

Back

Preview of the back of card 5
View more cards

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