Which of the following sentences is the correct interpretation of the slope? For every one unit increase in displacement, the predicted fuel economy decreases by 4.36 mpg. For every one unit increase in displacement, the predicted fuel economy increases by 4.36 mpg. For every one unit increase in fuel economy, the predicted displacement decreases by 4.36. For every one unit increase in fuel economy, the predicted displacement increases by 4.36.

The regression equation is given by 

MPG = 37.49079 - 4.357743 Displacement