Quiz

You want to obtain a sample of 100 LTCC students.  You identify a college class taught at the high school, two in the main building, and one in the gym.  You have the instructors make sure that every student in these classes answers the survey.  What type of sampling is this?

A.  simple random sampling

B.  stratified sampling

C.  cluster sampling

D.  convenience sampling

E.  systematic sampling