Find the Best Predicted Value of Y Corresponding to the Given

Multiple Choice

Find the best predicted value of y corresponding to the given value of x.
-The regression equation relating attitude rating $( \mathrm { x } )$ and job performance rating $( \mathrm { y } )$ for the employees of a company is $\hat{y} = 11.7 + 1.02 x$ . Ten pairs of data were used to obtain the equation. The same data yield $r = 0.863$ and $\bar { y } = 80.1$ . What is the best predicted job performance rating for a person whose attitude rating is 73 ?

A) $80.1$
B) $12.6$
C) $86.2$
D) $84.9$