Phone book sampling frames are inadequate because of
A) plus-one sampling.
B) people who have recently moved or have unlisted numbers.
C) random-digit dialing.
D) interviewer bias.
E) small sample size.

Question

Quizplus · Accepted Answer

Phone book sampling frames are inadequate because they do not include people who have recently moved or have unlisted numbers, leading to a non-representative sample.

Phone Book Sampling Frames Are Inadequate Because of