Review for TEST Unit 1 Sampling and Data Collection

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What is stratified sampling?

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Sampling technique where the population is divided into homogeneous subgroups (strata) and a random sample is taken from each stratum.

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CCSS.HSS.IC.B.3

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What is convenience sampling?

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Non-probability sampling technique based on easy accessibility or availability of participants.

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CCSS.HSS.IC.B.3

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What type of sample often leads to biased studies?

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Convenience sample.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a random sample?

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A sample 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 a systematic sample?

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A sampling method where members are selected at regular intervals from a randomly ordered list.

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CCSS.HSS.IC.B.3

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What is a cluster sample?

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A sampling technique where the population is divided into clusters, and entire clusters are randomly selected.

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CCSS.HSS.IC.B.3

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What is the purpose of stratified sampling?

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To ensure representation from different segments of the population.

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CCSS.HSS.IC.B.3

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What is the difference between probability and non-probability sampling?

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Probability sampling involves random selection, while non-probability sampling does not.

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CCSS.HSS.IC.B.3

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What is a simple random sample?

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A sample where every possible sample of a given size has the same chance of being selected.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the main disadvantage of convenience sampling?

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It can lead to biased results due to the non-random selection of participants.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1