Zachary Observes a Significant Negative Correlation Between Binge Drinking and Grades

Zachary observes a significant negative correlation between binge drinking and grades among college students.Which of the following is true?

A) There is a 5 percent probability or less that this correlation occurred by chance.
B) Zachary cannot be sure what causes what, but he can be sure that either binge drinking causes lower grades or vice versa.
C) Zachary will probably try to replicate his findings by conducting an experiment.
D) Zachary would not have been able to conduct the study if students received written evaluations from instructors rather than grades.

Correct Answer:

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