_____ sampling has the advantage of a built-in assurance that the sample will accurately reflect the numerical composition of the various subgroups.

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Stratified random sampling involves dividing the population into subgroups based on some characteristic and then randomly selecting samples from each subgroup. This ensures that the sample accurately represents the numerical composition of the subgroups and reduces sampling error. Therefore, it has the advantage of built-in assurance that the sample will accurately reflect the numerical composition of the various subgroups.

_____ Sampling Has the Advantage of a Built-In Assurance That