A sampling technique in which all elements in the population are differentiated on the basis of their value on some relevant characteristic and then sorted into strata is

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Stratified random sampling involves dividing the population into subgroups or strata based on their characteristics, and then randomly selecting samples from each strata. The characteristic used to create the strata should be relevant and important to the study. This technique ensures that each subgroup is represented in the sample, which can increase the accuracy and representativeness of the results.

A Sampling Technique in Which All Elements in the Population