A cluster sample is a type of stratified sample that is based on geographical location.

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A cluster sample is a sampling technique that divides the population into smaller groups (or clusters) based on their geographical location. These clusters are randomly chosen, and all individuals within the chosen clusters are included in the sample. This is a type of stratified sample as it divides the population into strata, but instead of using a specific characteristic to define the strata, location is used.

A Cluster Sample Is a Type of Stratified Sample That