A quota sample differs from a stratified sample,as in a quota sample,researchers select subsamples by some random process.

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In a quota sample, researchers select subsamples based on predetermined characteristics such as age, gender, and ethnicity to ensure that the sample is representative of the larger population. In contrast, in a stratified sample, the population is divided into subgroups (strata) based on relevant characteristics, and then a random sample is taken from each subgroup.

A Quota Sample Differs from a Stratified Sample,as in a Quota