Remaining Time: 49 minutes, 06 seconds. Question Completion Status: QUESTION 3 Correlation coefficient R can never be negative. O True O False QUESTION 4 Comparing two variables we obtain correlation coefficient R=0.89. That means that the correlation is O negative and perfect nonexistant O positive and perfect positive and strong QUESTION 5 In a diabetes study we compared fathers' blood sugar levels and their sons' blood sugar levels. We took a sample of 200 fathers and for each father we measured his blood sugar level and his son's blood sugar level. We obtain correlation coefficient R=.84. That means O Diabetes is genetically inherited O the lower the father's blood sugar level the lower the son's blood sugar level