The following MINITAB output display presents a 95% confidence interval for the difference between two means.
$\begin{array} { r r r r c } & \mathrm { N } & \text { Mean } & \text { StDev } & \text { SE Mean } \ \text { A } & 11 & 82.843 & 25.548 & 7.703 \ \text { B } & 9 & 46.094 & 27.511 & 9.170 \end{array}$

Difference $= m u ( A ) - m u ( B )$

What is the point estimate of $\mu _ { 1 } - \mu _ { 2 }$ ?
A) $- 46.948$
B) $36.749$
C) $46.094$
D) 17

Question

The following MINITAB output display presents a 95% confidence interval for the difference between two means.
 $\begin{array} { r r r r c } & \mathrm { N } & \text { Mean } & \text { StDev } & \text { SE Mean } \ \text { A } & 11 & 82.843 & 25.548 & 7.703 \ \text { B } & 9 & 46.094 & 27.511 & 9.170 \end{array}$

Difference $= m u ( A ) - m u ( B )$

What is the point estimate of $\mu _ { 1 } - \mu _ { 2 }$ ?
A) $- 46.948$ 
B) $36.749$ 
C) $46.094$ 
D) 17

Quizplus · Accepted Answer

The Answer of The following MINITAB output display presents a 95% confidence interval for the difference between two means.
 $\begin{array} { r r r r c } & \mathrm { N } & \text { Mean } & \text { StDev } & \text { SE Mean } \ \text { A } & 11 & 82.843 & 25.548 & 7.703 \ \text { B } & 9 & 46.094 & 27.511 & 9.170 \end{array}$

Difference $= m u ( A ) - m u ( B )$

What is the point estimate of $\mu _ { 1 } - \mu _ { 2 }$ ?
A) $- 46.948$ 
B) $36.749$ 
C) $46.094$ 
D) 17

The Following MINITAB Output Display Presents a 95% Confidence Interval