The Dean of Students mailed a survey to a total of 400 students. The sample included 100 students randomly selected from each of the freshman, sophomore, junior, and senior classes on campus last term. What sampling method was used?
A) cluster sample
B) simple random sample
C) stratified sample
D) systematic sample

Question

Quizplus · Accepted Answer

The sample is divided into strata (freshman, sophomore, junior, and senior classes) and then 100 students are randomly selected from each stratum. This is a stratified sample.

The Dean of Students Mailed a Survey to a Total