If R2=0.49R^2 = 0.49R2=0.49 for a positive relationship, what is the correlation rrr?
r=0.7r = 0.7r=0.7
r=0.24r = 0.24r=0.24
r=−0.7r = -0.7r=−0.7
r=0.49r = 0.49r=0.49