?In 23–26, determine the type of sampling used.25. Thirty-five sophomores, 22 juniors
Chapter 1, Problem 25(choose chapter or problem)
In Problems 23–26, determine the type of sampling used.
25. Thirty-five sophomores, 22 juniors, and 35 seniors are randomly selected to participate in a study from 574 sophomores, 462 juniors, and 532 seniors at a certain high school.
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