Mathematics, 18.03.2021 02:10, samiksaRS

The principal at Marina Middle School wants to determine if the 120 students in the seventh grade prefer to visit the aquarium or the science museum for their end-of-year trip. Select all the sets of people that would be a representative sample of the population. 20 sixth-grade students, 20 seventh-grade students, and 20 eighth-grade students
10 seventh-grade boys and 10 seventh-grade girls
25 seventh-grade students
15 seventh-grade boys and 5 teachers
25 students from the school

help me solve this please

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The principal at Marina Middle School wants to determine if the 120 students in the seventh grade pr...