To Obtain Faculty Opinions on a Particular Issue, the Chief

Multiple Choice

To obtain faculty opinions on a particular issue, the chief academic officer started with the five schools making up the university. Within each school, she randomly selected two departments. Once the departments were selected, seven faculty members in those departments were selected at random (or all if there were fewer than seven) to be interviewed. This is an example of:

A) simple random sampling.
B) cluster sampling.
C) stratified random sampling.
D) sampling in stages.