If a research is interested in how freshmen and seniors in college differ in their opinion on alcohol consumption and would like to draw samples separately from each group, what kind of sampling is the researcher using?
A) Simple random sampling
B) Stratified random sampling
C) Cluster random sampling

Question

Quizplus · Accepted Answer

The researcher is using stratified random sampling because they are dividing the population into two distinct groups (freshmen and seniors) and then drawing samples from each group separately. This method ensures that each subgroup is represented in the sample.

If a Research Is Interested in How Freshmen and Seniors