___________ sampling involves giving a questionnaire to a very large population, and then after the questionnaires are reviewed, a smaller population is formed and a sample selected from it.
A) Double
B) Cluster
C) Systematic
D) Stratified

Question

Quizplus · Accepted Answer

Double sampling involves initially surveying a large population and then refining the sample by selecting a smaller group for further study.

___________ Sampling Involves Giving a Questionnaire to a Very Large