The following output from MINITAB presents the results of a hypothesis test for a population mean $\mu$.

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

$\begin{array}{lcrcccc}
\mathrm{N} & \text { Mean } & \text { StDev } & \text { SE Mean } & 95 \% \text { CI } & \mathrm{T} & \mathrm{P} \
44 & 44.17 & -4.200615 & -0.633267 & (45.447115,42.892885) & -3.426677 & 0.0013
\end{array}$

What is the value of $\bar { x }$ ?
A) $0.001356$
B) $13.2$
C) $44.17$
D) 42 6

Question

The following output from MINITAB presents the results of a hypothesis test for a population mean $\mu$.

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

$\begin{array}{lcrcccc}
\mathrm{N} & \text { Mean } & \text { StDev } & \text { SE Mean } & 95 \% \text { CI } & \mathrm{T} & \mathrm{P} \
44 & 44.17 & -4.200615 & -0.633267 & (45.447115,42.892885) & -3.426677 & 0.0013
\end{array}$

What is the value of $\bar { x }$ ?
A) $0.001356$
B) $13.2$
C) $44.17$
D) 42 6

Quizplus · Accepted Answer

The value of $\bar{x}$ (sample mean) is given directly in the output as "Mean", which is 44.17.

The Following Output from MINITAB Presents the Results of a Hypothesis