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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

Verified Answer :

Answer: No; even though there is a strong positive correlation, playing violin doesn't cause students to get better grades

Step-by-step explanation:

Causation describes a relationship between two quantities where one quantity is effected by the other.

Given: The correlation coefficient for practicing violin and getting better grades in a group of people is 0.8.

Since 0.8 is near to 1, hence it shows a strong correlation.

But correlation does not imply causation because if just two quantities correlate does not necessarily means that one causes the other.

Hence, the given conclusion is not reasonable .

Answer:

OPTION D: No; even though there is a strong positive correlation, playing violin doesn't cause students to get better grades.

Step-by-step explanation: I got it right on the test.