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Difference between revisions of "Stratified random sampling"
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Revision as of 19:39, 7 November 2009
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| Section | English 162 |
Arabic 162 |
German 162 |
Spanish 162 |
Finnish 162 |
French 162 |
Italien 162 |
[[pl-I:16#162|Template:Lang name -pl 162]] |
Portuguese 162 |
Russian 162 |
| 162-1 | stratified random sampling | معاينة الطبقية العشوائية (طبقة) | geschichtete Stichprobe | muestreo estratificado | ositettu otanta —stratifioitu otanta |
sondage stratifié | sondaggio casuale stratificato | badanie reprezentacyjne warstwowe | AMOSTRAGEM estratificada simples | Типологическая выборка |
| 162-2 | stratum | طبقات (طبقة) | Schicht | estratos | osite —otanta stratifioitu |
strate | strato | warstwy (jednostek losowania) | ESTRATO | Типы —Группы изучаемой совокупности |
| 162-3 | multi-stage sampling | معاينة المتعددة المراحل (متعدد) | mehrstufige Stichprobe | muestreo polietápico | moniasteinen otanta | sondage à plusieurs degrés | sondaggio a più stadi | badanie reprezentacyjne wielostopniowe | AMOSTRAGEM em estágios múltiplos | Многоступенчатая выборка |
| 162-4 | sub-sample | عينة فرعية (فرع) | Unterstichprobe | submuestra | alanäyte —alaotos |
sous-échantillon | subcampione | podpróba | SUB-AMOSTRA | Повторный выбор |
| 162-5 | area sampling | معاينة المساحية (مساحة) | Flächenstichprobe —Gebietsstichprobe |
muestreo por áreas | alueotanta | sondage aréolaire | sondaggio per aree | badanie reprezentacyjne terytorialne | AMOSTRAGEM de áreas | Территориальная выборка |
In stratified random sampling1 the population is divided into a number of strata2 which are in some sense more homogeneous than the population as a whole with respect to the characteristics studied, and a simple random sample (cf. 161-4) is drawn in each stratum. Variable sampling fractions (161-5) may be used in different strata. Multi-stage sampling3 is a method where the selection of the sample is carried out in several stages. A sample of primary sampling units (160-4) is first selected and each of these units is then regarded as a population from which a sub-sample4 is selected, and the process may be repeated. Where there is no good sampling frame, a sample of areas delimited on a map may be selected: this procedure is called area sampling5.
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