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OpenStudy (anonymous):
Emily wants to find out if the carpool line around her school causes too much traffic on neighborhood roads. Which is a valid sample for her survey? A. 25 teachers at the school B. 25 families living near the school C. 25 students waiting for carpool rides D. 25 parents of students who ride the bus to and from school.
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OpenStudy (rippeh):
B
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