Using the Cluster Random Sampling Method Would Be Most Useful

Multiple Choice

Using the cluster random sampling method would be most useful when:

A) surveying who wants to order pizza for lunch in Mr.Green's second period class.
B) surveying to determine the percentage of swimmers on the college team who are likely to return next season.
C) surveying to determine the academic performance of California high school students
D) surveying to measure the job satisfaction or employees of a small business.
E) surveying to determine the average salaries of people in a group of zipcodes.