Answer
A score of 81 is below average.
Work Step by Step
Sub $x$ = 5 into $\hat{y} = 6.3333x + 53.0298$
$\hat{y} = 6.3333(5) + 53.0298$
$\hat{y} \approx 84.70$
Since the observed value, 81, is lower than the predicted value, 84.70, it can be concluded that 81 is below average.
