Sometimes a systems analyst must select a group of people or documents to study. This process is referred to as cluster sampling.

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Cluster sampling is a method of sampling where a researcher selects a group of participants or documents from the population of interest. This method is useful when the population is widely dispersed and selecting a random sample from the entire population may be impractical or too expensive. The selected cluster should be representative of the population as a whole.

Sometimes a Systems Analyst Must Select a Group of People