stratum

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stratum

statistics

Also known as: strata

Learn about this topic in these articles:

sample survey methods

In statistics: Sample survey methods
…into relatively homogeneous groups called strata and a simple random sample is selected from each stratum. The results from the strata are then aggregated to make inferences about the population. A side benefit of this method is that inferences about the subpopulation represented by each stratum can also be made.
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