A researcher wanted to obtain a sample of college students from his university. Even though he wanted his sample to be representative of the entire student body, he asked the registrar for only the list of juniors and seniors. This is an example of a bad ______.
A) sampling frame
B) obtained sample
C) sampling unit
D) sample statistic

Question

Quizplus · Accepted Answer

The sampling frame is incorrect because it only includes juniors and seniors, excluding freshmen and sophomores, and thus is not representative of the entire student body.

A Researcher Wanted to Obtain a Sample of College Students