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Proportional sample
/pɹəpˈɔːʃənəl sˈampəl/
/pɹəpˈoːɹʃənəl sˈæmpəl/Proportional sample
01
the population is divided into strata and a random sample is taken from each stratum
word family
proportional sample
proportional sample
Noun
Пример
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