A university's Office of Sustainability asks 100 students how many miles they drive each week. The Office
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Question:
A university's Office of Sustainability asks 100 students how many miles they drive each week. The Office obtains lists of all freshmen, sophomores, juniors, and seniors, and uses a random number generator to choose 25 from each class. What is the sampling method used?
Select one:
a. simple random sample
b. stratified random sample
c. systematic random sample
d. cluster sample
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