An elementary school has the following students.
240 students in 3rd grade
150 students...
Mathematics, 10.03.2021 17:40 jahnoibenjamin
An elementary school has the following students.
240 students in 3rd grade
150 students in 4th grade
100 students in 5th grade
The librarian wants to know which books are most popular among the school’s 3rd-5th grade students. Which of the following sampling methods would provide the most accurate representation of the populations’ preferences?
Select 15 third graders, 15 fourth graders and 15 fifth graders at random
Select 15 third graders, 25 fourth graders and 40 fifth graders at random
Select 40 third graders, 25 fourth graders and 15 fifth graders at random
Select 40 third graders, 40 fourth graders and 40 fifth graders at random
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