نتایج جستجو برای: stratified sampling‎

تعداد نتایج: 247726  

Journal: :Applications of Mathematics 1956

Journal: :iranian journal of public health 0
xiangyu chen dept. of epidemiology and health statistics, school of public health, medical college of soochow university , suzhou, china. qiaoqiao du dept. of epidemiology and health statistics, school of public health, medical college of soochow university , suzhou, china. zongda jin dept. of epidemiology and health statistics, school of public health, medical college of soochow university , suzhou, china. tian xu dept. of epidemiology and health statistics, school of public health, medical college of soochow university , suzhou, china. jiachen shi dept. of epidemiology and health statistics, school of public health, medical college of soochow university , suzhou, china. ge gao dept. of epidemiology and health statistics, school of public health, medical college of soochow university , suzhou, china.

traditional survey methods may cause refusals to respond or untruthful replies when encounter the sensitive questions. the randomized response technique (rrt) is designed to decrease social desirability bias and obtain reliable estimates. this study aimed to apply these new methods on the sensitive questions survey.simmons model was applied in the survey of issues relevant to commercial sex amo...

Journal: :The Annals of Mathematical Statistics 1942

Journal: :Biometrics & Biostatistics International Journal 2021

The possibility that researchers should be able to obtain data from all cases is questionable. There a need; therefore, this article provides probability and non-probability sampling. In paper we studied the differences similarities of two with approach more fritter away time, cost sufficient energy required throughout sample observed. pair shows between them, different articles were reviewed c...

2017
Patrice Meunier Geoffrey Spedding Geoffrey R. Spedding

2016
Florentin Smarandache Sachin Malik Neeraj Kumar Rajesh Singh

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