Use the Given Data to Find the Best Predicted Value $( \mathrm { x } )$

Multiple Choice

Use the given data to find the best predicted value of the response variable.
-Based on the data from six students, the regression equation relating number of hours of preparation $( \mathrm { x } )$ and test score $( \mathrm { y } )$ is $\hat { \mathrm { y } } = 67.3 + 1.07 \mathrm { x }$ . The same data yield $\mathrm { r } = 0.224$ and $\overline { \mathrm { y } } = 75.2$ . What is the best predicted test score for a student who spent 5 hours preparing for the test?

A) 72.7
B) 78.1
C) 59.7
D) 75.2