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Social Studies, 14.02.2020 04:15 chanahvanya
Professor Izadi is interested in the association between sleep and cognitive performance. He surveyed his students about the number of hours they slept the night before the exam and then correlated these scores with their test grades. He found a +.81 correlation between these two variables. What does this result mean?
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Professor Izadi is interested in the association between sleep and cognitive performance. He surveye...
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