Question

The principal at Marina Middle School wants to determine if the 120 students in the seventh grade prefer to visit Catalina Island or Camp Mosaic for their end-of-year trip. Which of the following is a representative sample of the population? Select all that apply. A. 20 sixth-grade students, 20 seventh-grade students, and 20 eighth-grade students B. 10 seventh-grade boys and 10 seventh-grade girls C. 25 seventh-grade students D. 15 seventh-grade boys and 5 teachers E. 25 students from the school

Answer 1

The choice that shows a representative sample would be letter B. The reason is because representative samples show a smaller version of what the larger sample Be.

In this case The principal would only survey seventh grade boys and girls, so asking 10 of each would work.