\textbf{residual =$$\hat{y}$$-y = 98-95.5 = 2.5} 
\textbf{Refer to the previous problem. On the final exam Carla scored 98. What is the value of her residual?} 

(a) $$98$$ 
(b) $$2.5$$ 
(c) $$-2.5$$ 
(d) $$0$$ 
(e) None of the above 