Computers and Technology, 22.07.2019 18:20 carmencc

Thirty-five sophomores, 30 juniors and 33 seniors are randomly selected from 281 sophomores, 242 juniors and 529 seniors at a certain high school. select one: a. stratified b. cluster c. random d. convenience e. systematic

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Thirty-five sophomores, 30 juniors and 33 seniors are randomly selected from 281 sophomores, 242 jun...

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