PROC SURVEYSELECT provides a variety of methods for selecting probability-based random samples. With probability sampling, each unit in the survey population has a known, positive probablity of ...
Sampling is a tool researchers use for marketing, sociology or empirical study. In order for sampling to be productive, the data analysis must not be tainted. There are techniques for creating a ...
This study aimed to assess the prevalence of smoking and associated sociodemographic and economic factors as well as students’knowledge about and attitudes towards smoking among university students in ...
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