Collecting Data Review

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What is stratified sampling?

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A sampling method where the population is divided into subgroups (strata) that share similar characteristics, and random samples are taken from each stratum.

Tags

CCSS.HSS.IC.B.3

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What is simple random sampling?

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A sampling technique 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 cluster sampling?

Back

A sampling method where the population is divided into clusters (usually geographically), and entire clusters are randomly selected.

Tags

CCSS.HSS.IC.B.3

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What is systematic sampling?

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A sampling method where you select every nth individual from a list of the population.

Tags

CCSS.HSS.IC.B.3

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What is a population in research?

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The entire group of individuals or instances about whom we hope to learn.

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What is a sample in research?

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A subset of the population selected for the actual study.

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What is convenience sampling?

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A non-probability sampling method where samples are taken from a group that is easy to reach.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is voluntary response sampling?

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A sampling method where individuals can choose to participate, often leading to biased results.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the purpose of using a random number generator in sampling?

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To ensure that each individual has an equal chance of being selected, thus reducing bias.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.