Sampling Methods

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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 for the sample.

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What is Systematic Sampling?

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A sampling method where every nth individual is selected from a list of the population.

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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 Convenience Sampling?

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

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What is Simple Random Sampling (SRS)?

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

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Example of Cluster Sampling:

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Surveying all students in randomly selected classrooms.

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Example of Systematic Sampling:

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Surveying every 10th student on a list of all students.

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Example of Stratified Sampling:

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Selecting 10 students from each grade level in a school.

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Example of Convenience Sampling:

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Surveying people at a mall because they are easily accessible.

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What is the main advantage of Stratified Sampling?

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It ensures representation from all subgroups of the population.