Which of the following sampling methods is the most statistically efficient (the most representative)?
A)simple random
B)systematic random
C)stratified random
D)cluster
E)All are equally statistically efficient.

Question

Quizplus · Accepted Answer

Stratified random sampling is the most statistically efficient method because it ensures representation from all subgroups in a population, reducing sampling error and improving the overall accuracy of the sample. Simple random sampling and systematic random sampling can miss important subgroups, while cluster sampling may lead to more variability within subgroups.

Which of the Following Sampling Methods Is the Most Statistically