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Sampling


Sampling

Sampling is a process of selecting units from a population or universe of interest. Mostly, researcher selects only few items from universe for the study. If the researcher select whole universe for his/her study that is known as Census which is not possible to all study. If the universe is very large it is not possible to researcher to collect data from them so they select either probability sampling or non-probability sampling to select respondents to collect the data for the study.
There are certain conditions which should have to conduct probability sampling those conditions are:
  • There should be complete list of subjects
  • The size of the universe should be known
  • All elements should have equal chance to get selected


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