Question 33 2.86 pts Consider the sample regression equation: y = 12 + 2x1 - 6x2 + 6x3 + 2x4 When x1 increases 1 unit and x2 increases 2 units, while x3 and x4 remain unchanged, what change would you expect in the predicted y? O Decrease by 2 O Increase by 10 O No change in the predicted y O Increase by 2 O Decrease by 10