The Paired Data Below Consist of the Test Scores of 6

Multiple Choice

The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. $$\begin{array} { c | r r r r r r } \text { Hours } & 5 & 10 & 4 & 6 & 10 & 9 \\\hline \text { Score } & 64 & 86 & 69 & 86 & 59 & 87\end{array}$$

A) 0.224
B) -0.224
C) -0.678
D) 0.678