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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Why do we randomly select our samples?

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To reduce bias.

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CCSS.HSS.IC.B.3

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What is Random Sampling?

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Random Sampling is a method where each member of 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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Convenience Sampling is selecting individuals who are easiest to reach, which may lead to bias.

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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 involves individuals choosing to participate, which can result in biased samples.

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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What is Systematic Sampling?

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Systematic Sampling involves selecting every nth individual from a list or sequence.

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CCSS.HSS.IC.B.3

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What is Bias in Sampling?

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Bias in sampling occurs when certain members of the population are more likely to be selected than others, leading to unrepresentative results.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a Sample?

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A sample is a subset of a population 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 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 the difference between a Sample and a Population?

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A sample is a smaller group selected from a population, while a population includes all members of a specified group.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1