Sampling Methods

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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, rather than randomly selected.

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CCSS.HSS.IC.B.3

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Define Population in the context of sampling.

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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.HSS.IC.A.1

CCSS.7.SP.A.1

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What is Voluntary Response Sampling?

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A sampling method where individuals choose to participate in the survey or study, often leading to biased results.

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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What is Simple Random Sampling?

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A sampling method where every individual has an equal chance of being selected, ensuring that the sample is representative of the population.

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CCSS.HSS.IC.B.3

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What is Systematic Random Sampling?

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A sampling method where you select every nth individual from a list or sequence.

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CCSS.HSS.IC.B.3

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What is the main disadvantage of Convenience Sampling?

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It may not accurately represent the population, leading to biased results.

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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How does Voluntary Response Sampling lead to bias?

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It attracts individuals with strong opinions, which may not reflect the views of the entire population.

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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What is the difference between a Sample and a Population?

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A sample is a subset of the population used to represent the whole, while the population includes all individuals of interest.

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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What is Stratified Sampling?

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A sampling method that involves dividing the population into subgroups (strata) and taking a sample from each stratum.

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CCSS.HSS.IC.B.3

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Why is Simple Random Sampling considered the gold standard?

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It minimizes bias and ensures that every member of the population has an equal chance of being included.

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CCSS.HSS.IC.B.3