Which of the following is not a probability sample?
A) quota
B) stratified
C) cluster
D) simple random

Question

Quizplus · Accepted Answer

Quota sampling is not a probability sample as the sampling units are not randomly selected but are chosen based on pre-determined quotas for certain characteristics (e.g., age, gender, etc.). In probability sampling, each sampling unit has a known and non-zero chance of being selected, whereas quota sampling does not provide this assurance. Simple random, stratified, and cluster sampling are all forms of probability sampling.

Which of the Following Is Not a Probability Sample