Test Hypotheses Regarding Matched-Pairs Data
-Data Sets $\mathrm { A }$

Multiple Choice

Test Hypotheses Regarding Matched-Pairs Data
-Data sets $\mathrm { A }$ and $\mathrm { B }$ are dependent. Find $\overline { \mathrm { d } }$ .
$\begin{array}{l|lllll}\text { A } & 32 & 30 & 49 & 45 & 33 \\\hline \text { B } & 30 & 26 & 27 & 37 & 24\end{array}$

Assume that the paired data came from a population that is normally distributed.

A) $9.0$
B) $- 5.1$
C) $33.1$
D) $25.2$