Question: In stratied sampling, the population is into groups called strata, where the members of each stratum are in some way. Then a simple random sample

In stratied sampling, the population is into groups called strata, where the members of each stratum are in some way. Then a simple random sample is drawn from each stratum. Stratied sampling is useful when the strata differ from one another, but the individuals within a stratum tend to be alike

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