When a representative sample is selected but only a small proportion are actually contacted, the problem is called
A) lack of accuracy.
B) selection bias.
C) nonresponse bias.
D) response bias.

Question

Quizplus · Accepted Answer

Nonresponse bias occurs when a significant portion of those selected for a survey or study do not respond, potentially leading to results that are not representative of the entire population.

When a Representative Sample Is Selected but Only a Small