Construct a Confidence Interval About the Slope of the Least $95 \%$

question 8

Multiple Choice

Construct a Confidence Interval about the Slope of the Least -squares Regression Model
-The data below are the ages and systolic blood pressures (measured in millimeters of mercury) of 9 randomly selected adults.Construct a $95 \%$ confidence interval about the slope of the true least-squares regression line, for the data below, given that $\hat { y } = 1.488 x + 60.46$ .
$\begin{array}{|l|c|c|c|c|c|c|c|c|c|}\text { Age, } \mathrm{x} & 38 & 41 & 45 & 48 & 51 & 53 & 57 & 61 & 65 \\\hline \text { Pressure } \mathrm{y} & 116 & 120 & 123 & 131 & 142 & 145 & 148 & 150 & 152\end{array}$

• A) \(( 1.098,1.877 )\)
• B) \(( - 8.443,11.419 )\)
• C) \(( 1.175,1.801 )\)
• D) \(( 1.108,1.868 )\)

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