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Mathematics, 06.07.2019 06:20 janyak048janyak048

Astudy 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.
a) causation cannot be proven because lower test scores can occur for other reasons, such as not studying or poor attendance.
b)causation cannot be proven because all students get less than 8 hours of sleep.
c)causation can be proven because it is well known that less sleep lowers test scores.
d)causation can be proven because an experiment was used to prove this hypothesis.

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