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Test of $\mathrm { mu } = 42 \mathrm { vs }$ . not $= 42$

The assumed standard deviation $13.0$

$\begin{array}{llcccl}\mathrm{N} & \text { Mean } & \text { SE Mean } & 95 \% \text { CI } & \text { Z } & \text { P } \\36 & 39.20 & -1.443458 & (9.36251167,3.704155) & -1.292308 & 0.196251\end{array}$

What is the value of the test statistic?

A) $0.196251$

B) $39.20$

C) $- 1.443458$

D) $- 1.292308$

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