The Following Output from MINITAB Presents a Confidence Interval for the Mean

Multiple Choice

The following output from MINITAB presents a confidence interval for the mean difference between matched pairs. $\begin{array} { c c c c c } & \mathrm { N } & \text { Mean } & \text { StDev } & \text { SEMean } \\ \text { Difference } & 16 & 4.9474 & 6.3070 & 1.57675 \end{array}$

$95 \%$ CI for mean difference: $( 1.586646,8.308154 )$

What is the point estimate of $\mu _ { d }$ ?

A) 1.57675
B) 15
C) 4.9474
D) 6.3070