Which of the following meets the requirements of a cluster sample?
A) A population can be divided into 50 city blocks. The sample will include one hundred people who volunteer for the sample from any city block.
B) A population can be divided into 50 city blocks. The sample will include one hundred people chosen at random, without regard to the city block where they live.
C) A population can be divided into 50 city blocks. The sample will include all residents from two randomly chosen city blocks.
D) A population can be divided into 50 city blocks. The sample will include two people chosen at random from each city block.

Question

Quizplus · Accepted Answer

A cluster sample involves dividing the population into clusters or groups, and then selecting a sample from one or a few of those clusters. Option C involves randomly selecting two city blocks and including all residents from those two blocks, which fits this definition. Options A, B, and D involve selecting individuals without clustering, so they do not meet the requirements of a cluster sample.

Which of the Following Meets the Requirements of a Cluster