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) Simple random sample
B) Systematic sample
C) Stratified sample
D) Cluster sample

Question

Quizplus · Accepted Answer

The sampling method used is a stratified sample because the population was divided into strata (freshman, sophomore, junior, and senior classes), and a random sample was taken from each stratum.

The Dean of Students Mailed a Survey to a Total