Identify the sampling technique used.
-Thirty-five sophomores, 24 juniors and 25 seniors are randomly selected from 388 sophomores, 418 juniors and 573 seniors at a certain high school.
A)stratified
B)random
C)cluster
D)convenience
E)systematic

Question

Quizplus · Accepted Answer

The technique used is stratified sampling because the population is divided into three strata based on grade level, and a random sample is taken from each stratum. This sampling technique is stratified because the population (high school students) is divided into three strata (sophomores, juniors, and seniors) and a random sample is taken from each stratum.

Identify the Sampling Technique Used