The workers in a factory are organized into five-person teams. When conducting a work-environment survey, a researcher randomly selected 10 teams to obtain a total sample of 50 workers. The researcher used ____ sampling.
A) simple random
B) stratified random
C) proportionate stratified random
D) cluster

Question

Quizplus · Accepted Answer

The researcher used cluster sampling as the workers were already organized into teams, and the researcher randomly selected 10 teams to obtain a sample of 50 workers. Therefore, the teams were the clusters in this sampling technique.

The Workers in a Factory Are Organized into Five-Person Teams