Sampling Methods

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What is Sampling?

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Sampling is the process of selecting a subset of individuals from a population to estimate characteristics of the whole population.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is Convenience Sampling?

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Convenience sampling is a non-probability sampling method where the sample is taken from a group that is easily accessible to the researcher.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is Systematic Sampling?

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Systematic sampling is a method where every nth member of the population is selected to be included in the sample.

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CCSS.HSS.IC.B.3

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What is Simple Random Sampling?

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Simple random sampling is a 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 Biased Sampling?

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Biased sampling occurs when certain members of the population are more likely to be selected than others, leading to an unrepresentative sample.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is Unbiased Sampling?

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Unbiased sampling refers to a sampling method that gives all individuals in the population an equal chance of being selected.

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CCSS.HSS.IC.B.3

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What is a Population in Statistics?

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A population is the entire group of individuals or instances about whom we hope to learn.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a Sample in Statistics?

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A sample is a subset of the population that is used to represent the entire group.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is Voluntary Response Sampling?

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Voluntary response sampling is a sampling method where individuals choose to participate, often leading to biased results.

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

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CCSS.HSS.IC.B.3