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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Definitions:

Medulla

A specific area within the brainstem that controls vital bodily functions such as heart rate, breathing, and blood pressure.

Wrinkled

Having lines or creases on the skin or surface of an object, often associated with aging or the effects of drying or damage.

Medulla

A part of the brainstem that controls vital bodily functions such as breathing, heart rate, and blood pressure.

Emotional Arousal

A state of heightened physiological and psychological activity related to emotions.