If R2=0.49R^2 = 0.49R2=0.49, what is the correlation rrr if the slope is negative?
r=−0.49r = -0.49r=−0.49
r=0.49r = 0.49r=0.49
r=−0.7r = -0.7r=−0.7
r=0.7r = 0.7r=0.7