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assume that a researcher wants to select individuals from a population so that an equal number of people from different ethnic groups (e.g., african-american, hispanic, asian-americans) are selected. the procedure the researcher would use is called

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The procedure the researcher will use is called stratification sampling.

What is Stratified Sampling?

A stratified sample is created by separating a population into similar subpopulations (strata) and taking a representative sample from each. Stratified sampling is used by researchers to ensure that specific subgroups are represented in their samples. Additionally, it helps them estimate the characteristics of each group precisely. This method is used in many surveys in order to better understand the differences between subpopulations. The term stratified sampling is also used to refer to stratified random sampling.

To Learn more about stratified sampling:

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