Use the following information for questions:
Olivia wants to learn a foreign language. To get an idea of how satisfied other students were after taking a foreign language course, she decides to take a random sample of 20 students.
-If Olivia randomly selects one class among all the foreign language classes taught that year, and then interviews all students in that class, the sampling method is a
A) simple random sample.
B) stratified random sample.
C) cluster sample.
D) systematic sample.

Question

Use the following information for questions:
 Olivia wants to learn a foreign language. To get an idea of how satisfied other students were after taking a foreign language course, she decides to take a random sample of 20 students.
-If Olivia randomly selects one class among all the foreign language classes taught that year, and then interviews all students in that class, the sampling method is a
A) simple random sample.
B) stratified random sample.
C) cluster sample.
D) systematic sample.

Quizplus · Accepted Answer

Cluster sampling involves selecting entire groups or clusters where every member of the selected group is surveyed. In this case, Olivia selects one class (a cluster) and interviews all students in that class, which aligns with the definition of cluster sampling.

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