Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.
-49 students are selected at random from the Sophomore class, 39 from the Junior class, and 48 from the Senior classes.
A)Simple random
B)Convenience
C)Stratified
D)Systematic

Question

Quizplus · Accepted Answer

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

Identify Which of These Types of Sampling Is Used: Simple