Before Polling Students in the School of Business, the Researcher

Multiple Choice

Before polling students in the School of Business, the researcher divides all the current students into groups based on their class standing (freshman, sophomores, etc) . Then, she randomly draws a sample of 50 students from each of these groups to create a representative sample of the entire student body in the School. The researcher is practicing which of the following sampling methods?

A) Simple random sampling
B) Systematic random sampling
C) Stratified random sampling
D) Cluster sampling
E) Snowball sampling