The correlation coefficient for practicing violin and getting better grades in a group of people is 0.8. Analyze the following statement.
Playing violin causes students to get better grades.
Is this a reasonable conclusion?
Yes; students who play violin must necessarily get better grades
Yes; the correlation coefficient is above 0.5, so that implies causation
No; playing violin and earning better grades are completely unrelated
No; even though there is a strong positive correlation, playing violin doesn't cause students to get better grades
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Home » Mathematics » The correlation coefficient for practicing violin and getting better grades in a group of people is 0.8. Analyze the following statement. Playing violin causes students to get better grades.