Sampling Methods

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What is a Cluster Sampling Method?

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A sampling method where the population is divided into groups (clusters) and a whole cluster is randomly selected to represent the population.

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CCSS.HSS.IC.B.3

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What is a Census?

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A method of data collection where information is gathered from every member of the population.

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CCSS.6.SP.B.5B

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What is Random Sampling?

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A sampling method where every individual in the population has an equal chance of being selected.

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CCSS.HSS.IC.B.3

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What is Convenience Sampling?

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A sampling method where the sample is taken from a group that is easily accessible to the researcher.

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CCSS.HSS.IC.B.3

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What is a Sample?

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A small portion of the population used to gather data from.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is Stratified Sampling?

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A sampling method where the population is divided into subgroups (strata) and random samples are taken from each stratum.

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CCSS.HSS.IC.B.3

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What is Systematic Sampling?

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A sampling method where you select every nth individual from a list of the population.

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CCSS.HSS.IC.B.3

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What is Bias in Sampling?

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A systematic error that occurs when the sample is not representative of the population.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the difference between Population and Sample?

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Population refers to the entire group being studied, while a sample is a subset of that population.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is Self-Selected Sampling?

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A sampling method where individuals volunteer to participate in the study.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1