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