Researchers usually cannot use populations when doing their studies because
A) populations are not representative of a sample.
B) it is usually impractical or impossible.
C) statistical methods are only applicable to sample groups.
D) the requirement of randomness cannot be met.

Question

Quizplus · Accepted Answer

Conducting research on an entire population is often impractical or impossible due to factors such as cost, time constraints, and accessibility. Therefore, researchers usually have to work with a sample instead.

Researchers Usually Cannot Use Populations When Doing Their Studies Because