Using the Following Data, What Is the Pearson Product-Moment R

Multiple Choice

Using the following data, what is the Pearson product-moment r between X and Y? $\begin{array}{llllll}\text { Subject } & X & Y & X^{2} & Y^{2} & X Y \\1 & 8 & 7 & 64 & 49 & 56 \\2 & 9 & 10 & 81 & 100 & 90 \\3 & 3 & 5 & 9 & 25 & 15 \\4 & 4 & 5 & 16 & 25 & 20 \\5 & \underline{1} & \underline{3} & \underline{1} & \underline{9} & \underline{3} \\\Sigma & 25 & 30 & 171 & 208 & 184\end{array}$

A) .75
B) .78
C) .95
D) .98