The following output from MINITAB presents the results of a hypothesis test for a population mean $\mu .$ $$\begin{array}{l}
\text { Test of mu } = 57 \text { vs. not } = 57\\
\begin{array} { l r r c c r r r }
\mathrm { N } & \text { Mean } & \text { StDev } & \text { SE Mean } & 95 \% \mathrm { CI } & \mathrm { T } & \mathrm { P } \
49 & 59.72 & 3.881977 & 0.554568 & ( 58.604963,60.835037 ) & 4.904717 & 0.000011 \
\hline
\end{array}
\end{array}$$ What is the value of s?
A) 0.000011
B) 3.881977
C) 9.4
D) 0.554568

Question

The following output from MINITAB presents the results of a hypothesis test for a population mean $\mu .$ $$\begin{array}{l}
\text { Test of mu } = 57 \text { vs. not } = 57\\
\begin{array} { l r r c c r r r } 
\mathrm { N } & \text { Mean } & \text { StDev } & \text { SE Mean } & 95 \% \mathrm { CI } & \mathrm { T } & \mathrm { P } \
49 & 59.72 & 3.881977 & 0.554568 & ( 58.604963,60.835037 ) & 4.904717 & 0.000011 \
\hline
\end{array}
\end{array}$$ What is the value of s?
A) 0.000011
B) 3.881977
C) 9.4
D) 0.554568

Quizplus · Accepted Answer

The value of s corresponds to the standard deviation of the sample. From the output, we can see that the value of StDev is 3.881977, which represents the sample standard deviation s. Therefore, the correct answer is B.

The Following Output from MINITAB Presents the Results of a Hypothesis