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

Question

Quizplus · Accepted Answer

This is an example of stratified sampling because the population (students) has been divided into strata (sophomore, junior, and senior classes) and a sample size proportional to the stratum size has been selected from each stratum. This helps ensure that the sample is representative of the overall population.

Identify Which of These Types of Sampling Is Used: Random