Which of the following is an example of stratified random sampling?
A) matching the percentages of males/females to the general population
B) having everyone in the world complete a survey
C) testing the first 20 students to enter the laboratory
D) relying on volunteers to complete a survey study

Question

Quizplus · Accepted Answer

Stratified random sampling involves dividing the population into subgroups (strata) and then randomly selecting samples from each of these groups. Choice A, matching the percentages of males/females to the general population, is an example of this because it involves creating strata based on gender and then sampling from each stratum to match the general population's gender distribution.

Which of the Following Is an Example of Stratified Random