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4 types of random sampling

Random sampling or probability sampling is a sampling technique in which each sample from a larger population has an equal probability of being chosen. A sample chosen randomly is meant to be an unbiased representation of the total population. It is usually more...

5 types of non-random sampling

Non-Random sampling or non-probability sampling is a sampling technique in which the researcher selects samples based on the subjective judgment of the researcher rather than random selection.  This sampling method depends heavily on the expertise of the researchers....
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