Which of the following BEST describes nonprobability samples?
A) They include any sample in which little is done to obtain a representative cross-section of the population.
B) They often start out with random numbers to ensure selection of subjects is truly random.
C) By definition,they must be representative of the population.
D) They require more expensive marketing research than probability sampling.

Question

Quizplus · Accepted Answer

Nonprobability samples do not use random selection methods and therefore may not represent the population accurately. Instead, subjects may be selected based on convenience or availability, which may result in a biased sample.

Which of the Following BEST Describes Nonprobability Samples