The Two Data Sets Are Dependent $\bar { d }$ To the Nearest Tenth

Multiple Choice

The two data sets are dependent. Find $\bar { d }$ to the nearest tenth.
$\begin{array}{l|lllll}\text { A } & 69 & 66 & 61 & 63 & 51 \\\hline \text { B } & 25 & 23 & 20 & 25 & 22\end{array}$

A) $50.7$
B) $23.4$
C) $48.8$
D) $39.0$