What type of sample?

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What is a population in statistics?

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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 statistics?

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A subset of the population selected for analysis.

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What is a simple random sample?

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A sample where every member of the population has an equal chance of being selected.

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What is a cluster sample?

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

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What is a stratified sample?

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

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What is convenience sampling?

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A non-random sampling method where samples are taken from a group that is easily accessible.

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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.

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What is the difference between a population and a sample?

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

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What is systematic sampling?

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

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What is the purpose of sampling in statistics?

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To make inferences about a population without having to collect data from every member.