Suppose a Group of Students Who Reported Smoking Marijuana Was

question 45

Multiple Choice

Suppose a group of students who reported smoking marijuana was found to have lower test scores than a group of students who reported they don't smoke marijuana.What is the most that can be concluded with regard to the population of all students?

• A)Smoking marijuana causes lower test scores.
• B)Smoking marijuana may be related to lower test scores.
• C)Students who smoke marijuana have lower test scores than students who don't.
• D)None of the above.

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