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

question 19

Multiple Choice

The following output from MINITAB presents a confidence interval for the mean difference between matched pairs.

$\begin{array} { r r r r r } & \mathrm { N } & \text { Mean } & \text { StDev } & \text { SEMean } \\ \text { Difference } & 15 & 6.0341 & 2.8059 & 0.724738 \end{array}\\$
$95 \%$ CI for mean difference: $( 4.4797,7.5885 )$

Fill in the blanks: We are $95 \%$ confident that the mean difference is between____ and_____

• A) 3.2282, 8.84
• B) 0.724738, 2.8059
• C) 0, 6.0341
• D) 4.4797, 7.5885

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