A study shows that the significant correlation coefficient between salt intake per day (grams) and blood pressure (mm/Hg) is 0.5. How might one interpret this?

• A.It is impossible to interpret from the information given.
• B.There is no particular relationship between the amount salt intake and one's blood pressure.
• C.Researchers found in this study that if there is more salt in a subject's diet, he/she tends to have higher blood pressure.
• D.Researchers found in this study that if there is more salt in a subject's diet, he/she tends to have lower blood pressure.