Statistics- Sampling Methods

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What is a Cluster Sample?

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A sampling method where entire groups (clusters) are randomly selected, and all individuals within those groups are surveyed.

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What is a Systematic Sample?

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A sampling method where every nth individual is selected from a list or sequence.

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What is a Population in statistics?

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A large group that includes everything being studied.

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What is a Convenience Sample?

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A sampling method where individuals are selected based on their easy availability and proximity.

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What is a Simple Random Sample?

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A sampling method where every individual has an equal chance of being selected.

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What is Stratified Sampling?

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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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Define Sampling Method.

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The process used to select individuals from a population to participate in a study.

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What is the purpose of Sampling in statistics?

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To gather data from a subset of a population to make inferences about the entire population.

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What is a Voluntary-Response Sample?

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A sampling method where individuals choose to participate, often leading to bias.

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How does a Random Sample differ from a Systematic Sample?

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A Random Sample selects individuals randomly without a specific pattern, while a Systematic Sample follows a fixed interval.