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)Random
D)Systematic
E)Stratified

Question

Quizplus · Accepted Answer

This is an example of stratified sampling because the population is divided into smaller groups (strata) based on a specific characteristic, in this case, the year of study (Sophomore, Junior, and Senior classes), and then a sample is taken from each of these groups.

Which of These Types of Sampling Is Used