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Proportional sampling
/pɹəpˈɔːʃənəl sˈamplɪŋ/
/pɹəpˈoːɹʃənəl sˈæmplɪŋ/Proportional sampling
01
the population is divided into subpopulations (strata) and random samples are taken of each stratum
/pɹəpˈɔːʃənəl sˈamplɪŋ//pɹəpˈoːɹʃənəl sˈæmplɪŋ/
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