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The Following MINITAB Output Presents a Confidence Interval for a Population

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Question 36
Multiple Choice
arrowQuestion 36arrow
Multiple Choice

The following MINITAB output presents a confidence interval for a population mean.
 Variable N Mean  StDev  SE Mean 99%CIx23139.959834.24437.1404(119.824,160.096)\begin{array}{crrrcc}\hline \text { Variable } & \mathrm{N} & \text { Mean } & \text { StDev } & \text { SE Mean } & 99 \% \mathrm{CI} \\\mathrm{x} & 23 & 139.9598 & 34.2443 & 7.1404 & (119.824,160.096) \\\hline\end{array}

Find the critical value tα/2t _ { \alpha / 2 } for a 98%98 \% confidence interval.


A) 2.8202.820
B) 2.5082.508
C) 2.5002.500
D) 2.8072.807

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