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.
- $\begin{array}{|c|cccccc|}\mathrm{X} & 7.1 & 6.8 & 7.2 & 5.5 & 6.8 & 5.7 \\\hline \mathrm{Y} & 9.4 & 9.0 & 7.8 & 7.6 & 8.1 & 9.3\end{array}$

A) -12.0
B) -2.6
C) -1.2
D) -2.0