HW Check Sampling Methods

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What is a cluster sample?

Back

A sampling method where units of the population are grouped, and one or more groups are selected at random. All units of the selected group are included in the sample.

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What is a systematic sample?

Back

A sampling design where a random starting point is selected, and then every nth unit is chosen from the population.

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What is a stratified sample?

Back

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 a census?

Back

A sample that consists of the entire population, collecting data from every member.

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What is a convenience sample?

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A sampling method that involves selecting individuals who are easiest to reach or sample.

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What is a simple random sample?

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

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What is the purpose of sampling methods?

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To obtain a representative subset of a population to make inferences about the whole population.

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What is the difference between stratified and cluster sampling?

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Stratified sampling divides the population into subgroups and samples from each, while cluster sampling selects entire groups at random.

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What is a volunteer sample?

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A sampling method where individuals self-select to participate in a study.

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Why is random selection important in sampling?

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It helps to eliminate bias and ensures that the sample is representative of the population.