Question

The correlation coefficient for blood pressure and amount of vegetables eaten in a group of people is −0.7. Analyze the following statement: High blood pressure is caused by not eating vegetables. Is this a reasonable conclusion?

a- No; blood pressure and eating vegetables are completely unrelated
b- No; even though there is a strong negative correlation, not eating vegetables doesn't necessarily cause high blood pressure
c- Yes; eating vegetables reduces blood pressure, so the opposite is also true d-d-Yes; the correlation coefficient is below −0.5, so that implies causation

Answer 1

The answer is B

Explanation:

No; even though there is a strong negative correlation, not eating vegetables doesn't necessarily cause high blood pressure

Answer 2

b- No; even though there is a strong negative correlation, not eating vegetables doesn't necessarily cause high blood pressure