which of these types of sampling is used:
-49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively.
A) Cluster
B) Convenience
C) Stratified
D) Random
E) Systematic

Question

which of these types of sampling is used: 
-49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively.
A) Cluster
B) Convenience
C) Stratified
D) Random
E) Systematic

Quizplus · Accepted Answer

This is an example of stratified sampling, where the population is divided into subgroups (strata) such as Sophomore, Junior, and Senior classes, and samples are taken from each subgroup.

Which of These Types of Sampling Is Used