Which of the following sample types should you always regard as unreliable?
A)simple random samples
B)cluster samples
C)stratified samples
D)voluntary response samples

Question

Quizplus · Accepted Answer

Voluntary response samples are considered unreliable because they often suffer from self-selection bias, where individuals choose themselves to participate. This can lead to unrepresentative samples as those who volunteer might have strong opinions or characteristics that differ from the general population.

Which of the Following Sample Types Should You Always Regard