During the same year, george gallup conducted his own poll of 30,000 prospective voters. his researchers used a method they called "quota sampling" to obtain survey answers from specific subsets of the population. quota sampling is an example of which sampling method described in this module?

The answer is "Stratified sampling".

Stratified sampling alludes to a sort of testing strategy . With stratified sampling, the specialist isolates the populace into discrete gatherings, called strata. At that point, a likelihood test (regularly a straightforward arbitrary example ) is drawn from each gathering.

Stratified sampling has a few favorable circumstances over straightforward irregular examining. For instance, utilizing stratified examining, it might be conceivable to decrease the example measure required to accomplish a given exactness. Or on the other hand it might be conceivable to expand the accuracy with a similar example measure.