The following MINITAB output display presents a 95% confidence interval for the difference between two means. $\begin{array}{rrrrc}
& \mathrm{N} & \text { Mean } & \text { StDev } & \text { SE Mean } \
\mathrm{A} & 13 & 111.071 & 22.131 & 6.138 \
\mathrm{~B} & 15 & 97.224 & 26.446 & 6.828
\end{array}$

How many degrees of freedom did MINITAB use?

A) 26
B) 13.847
C) 28
D) 35.992

Question

The following MINITAB output display presents a 95% confidence interval for the difference between two means. $\begin{array}{rrrrc} 
& \mathrm{N} & \text { Mean } & \text { StDev } & \text { SE Mean } \
\mathrm{A} & 13 & 111.071 & 22.131 & 6.138 \
\mathrm{~B} & 15 & 97.224 & 26.446 & 6.828
\end{array}$

How many degrees of freedom did MINITAB use?

A) 26 
B) 13.847 
C) 28 
D) 35.992

Quizplus · Accepted Answer

The Answer of The following MINITAB output display presents a 95% confidence interval for the difference between two means. $\begin{array}{rrrrc} 
& \mathrm{N} & \text { Mean } & \text { StDev } & \text { SE Mean } \
\mathrm{A} & 13 & 111.071 & 22.131 & 6.138 \
\mathrm{~B} & 15 & 97.224 & 26.446 & 6.828
\end{array}$

How many degrees of freedom did MINITAB use?

A) 26 
B) 13.847 
C) 28 
D) 35.992

The Following MINITAB Output Display Presents a 95% Confidence Interval