Solve the Problem $\begin{array} { l | r r r r r r } \text { Hours } & 5 & 10 & 4 & 6 & 10 & 9 \\\hline \text { Score } & 64 & 86 & 69 & 86 & 59 & 87\end{array}$

Multiple Choice

Solve the problem.
-The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. By using linear regression, the following function is obtained: y=67.3+1.07 x where x is number of hours studied and y is score on the test. Use this function to predict the score on the test of a student who studies 11 hours.
$\begin{array} { l | r r r r r r } \text { Hours } & 5 & 10 & 4 & 6 & 10 & 9 \\\hline \text { Score } & 64 & 86 & 69 & 86 & 59 & 87\end{array}$

A) 74.1
B) 79.1
C) 83.8
D) 84.1