What are sampling techniques? Briefly explain the cluster sampling technique.


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David Shabazi answered

Sampling technique basically says that in a group of objects/people or something along those lines, every THING or every ONE has a non-random chance of being picked out.

Cluster sampling organizes the group into several smaller groups (or clusters) before starting the picking. This only happens when there's several "natural" but relatively homogenous groupings evident in the statistical population.

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