Sampling Techniques

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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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What is Simple Random Sampling?

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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 a Census?

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A method of collecting data from every member of a population.

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What is Systematic Sampling?

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A sampling method where members of the population are selected at regular intervals.

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What is Cluster Sampling?

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

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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 the difference between Stratified and Systematic Sampling?

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Stratified sampling involves dividing the population into strata and sampling from each, while systematic sampling involves selecting every nth member from a list.

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When would you use Cluster Sampling?

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When the population is large and geographically dispersed, making it impractical to conduct a simple random sample.

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What is the main advantage of Simple Random Sampling?

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It minimizes bias and ensures that every individual has an equal chance of being selected.

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What is a potential disadvantage of Convenience Sampling?

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It may not accurately represent the population, leading to biased results.