Construct a Confidence Interval For $\mu _ { d }$ The Mean of the Differences D for the Population of The Mean

question 88

Multiple Choice

Construct a confidence interval for $\mu _ { d }$ the mean of the differences d for the population of paired data. Assume that the population of paired differences is normally distributed. Using the sample paired data below, construct
A 90% confidence interval for the population mean of all differences. $$\begin{array} { | l | l l l l l | } \hline \mathrm { A } & 5.0 & 5.1 & 4.6 & 3.5 & 6.0 \\\hline \mathrm { B } & 4.7 & 3.9 & 4.2 & 4.2 & 3.7 \\\hline\end{array}$$

• A) \(- 0.31 < \mu _ { d } < 1.71\)
• B) \(- 0.07 < \mu _ { d } < 1.47\)
• C) \(0.22 < \mu _ { d } < 7.48\)
• D) \(- 0.37 < \mu _ { d } < 1.77\)

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