Question 8 {0.5 points) Dr. Godard is examining an anti-depressant medication (X) and depression (Y) in patients. She conducts a regression to see if the antidepressant seems to be reducing patients' depression symptoms. In her regression, she finds that 31 = 145. What does this mean? 0 That for every 1 increase in Xi, there is an increase in Yi of 2.45 units. 0 That for every 1 increase in Yi, there is an increase in Xi of 2.45 units. 0 That for every 1 increase in Xi, there is a decrease in Yl- of 2.45 units. 0 That for every 1 increase in Yi, there is a decrease in X,- of 2.45 units