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 $\mu _ { \mathrm { d } } = 0$ 0. Compute the value of the t test statistic. Round intermediate calculations to four decimal places as needed and
final answers to three decimal places as needed.
-The following table shows the weights of nine subjects before and after following a particular diet for two months. You wish to test the claim that the diet is effective in helping people lose weight. What is the value of
The appropriate test statistic? $\begin{array}{r|ccccccccc}\text { Subject } & \text { A } & \text { B } & C & \text { D } & \text { E } & \text { F } & \text { G } & H & \text { I } \\\hline \text { Before } & 168 & 180 & 157 & 132 & 202 & 124 & 190 & 210 & 171 \\\hline \text { After } & 162 & 178 & 145 & 125 & 171 & 126 & 180 & 195 & 163\end{array}$

A) $3.156$
B) $9.468$
C) $0.351$
D) $1.052$