The general accounting office conducted random testing of retail gasoline pumps in michigan, missouri, oregon, and tennessee. the study concluded that 49 percent of gasoline pumps nationwide are mislabeled by more than one-half of an octane point. what kind of sampling technique was most likely to have been used in this study?

Respuesta :

The appropriate response is the Cluster sampling. Cluster sampling alludes to a sort of inspecting technique. With bunch examining, the specialist partitions the populace into discrete gatherings, called groups. At that point, a straightforward arbitrary example of groups is chosen from the populace.