The Two Data Sets Are Dependent $$\overline { \mathrm { d } }$$

Multiple Choice

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

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