Assume That You Want to Test the Claim That the Paired

Multiple Choice

Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is $\mu _ { \mathrm { d } } = 0$ . Compute the value of the $t$ test statistic.
- $$\begin{array} { l | l l l l l } \mathrm { X } & 12.0 & 11.3 & 10.1 & 12.9 & 11.6 \\\hline \mathrm { Y } & 13.2 & 12.6 & 13.5 & 10.7 & 12.4\end{array}$$

A) -1.2
B) -1.1
C) -0.9
D) -0.5