A statistics professor wants to know how her students feel about an introductory statistics course and decides to administer a survey to a random sample of students taking the course. If she randomly selects a class rank (freshmen, sophomores, juniors and seniors) and survey every student in that class rank, what sampling method does she use?

Question

nezivande0u · Accepted Answer

In this situation, the statistics professor has randomly chooses a class rank to be a part of their sample. That is, the total population of certain province is divided into different clusters of freshmen, sophomores, juniors and seniors. Then survey every student in that class rank are randomly selected and all the students in these freshmen, sophomores, juniors and seniors are considered into the sample. Thus, the appropriate type of  sampling method does used is cluster sampling.