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Practice Test 1
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Q1
A 6th-grade class is doing a study to answer: “How many hours of sleep did students get last night?” Students write their answers on a survey form. Which choice correctly describes the attribute under investigation, how it was measured, and the units?
A 6th-grade class is doing a study to answer: “How many hours of sleep did students get last night?” Students write their answers on a survey form. Which choice correctly describes the attribute under investigation, how it was measured, and the units?