Chapter 10: Sampling

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What is Cluster Sampling?

Back

A sampling method where researchers divide a population into smaller groups (clusters), then randomly select one cluster and include all its members in the sample.

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CCSS.HSS.IC.B.3

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What is a Census?

Back

A method of data collection where the entire population is surveyed instead of a subgroup.

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What is a Biased Sample?

Back

A sample that does not accurately represent the population, often due to the method of selection.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is Random Sampling?

Back

A sampling method where every 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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A sampling method where researchers select individuals who are easiest to reach, which may lead to bias.

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CCSS.HSS.IC.B.3

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What is the difference between a sample and a population?

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A sample is a subset of a population, which is the entire group being studied.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is Voluntary Response Sampling?

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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

Front

What is Systematic Sampling?

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A sampling method where researchers select every nth member from a list of the population.

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CCSS.HSS.IC.B.3

Front

Why is Randomly Selecting 75 Employees the best method for a survey?

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It ensures that every employee has an equal chance of being selected, making the sample more representative.

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CCSS.HSS.IC.B.3

Front

What is the impact of using a convenience sample in research?

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It can lead to biased results because the sample may not represent the broader population.