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13 December, 10:28

An observational study determined that there is a strong correlation between getting less than 8 hours of sleep a day and lower test scores. Can it be determined that the low test scores are caused by sleep deprivation? Explain.

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  1. 13 December, 10:53
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    No

    Step-by-step explanation:

    We can not determine that the low test scores are caused by sleep deprivation. Because there are many factors that can affect on a student's test score such as:

    not carefully review all the lesson before the test the feeling of nervous in the exam room poor academic ability ... so on

    So, getting less than 8 hours of sleep is just one of the independent variables determining the test score, it is not a strong correlation.
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