Proportional sample
volume
British pronunciation/pɹəpˈɔːʃənəl sˈampəl/
American pronunciation/pɹəpˈoːɹʃənəl sˈæmpəl/

"proportional sample"এর সংজ্ঞা এবং অর্থ

Proportional sample
01

the population is divided into strata and a random sample is taken from each stratum

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