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.
$\begin{array} { l | l l l l l } \text { A } & 69 & 66 & 61 & 63 & 51 \\\hline \text { B } & 25 & 23 & 20 & 25 & 22\end{array}$

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