An Automotive Engineer Computed a Least-Squares Regression Line for Predicting $\begin{array}{l|c} & \text { Coefficients } \\\hline \text { Intercept } & 40.6887885 \\\hline \text { Speed } & -0.22088256\end{array}$

question 17

Multiple Choice

An automotive engineer computed a least-squares regression line for predicting the gas mileage (miles per gallon, or mpg) of a certain vehicle from its speed in mph. The results are presented in the following Excel output.
$\begin{array}{l|c} & \text { Coefficients } \\\hline \text { Intercept } & 40.6887885 \\\hline \text { Speed } & -0.22088256\end{array}$
Predict the gas mileage when the vehicle is traveling at 60 mph.

• A)24.3 mpg
• B)27 mpg
• C)54 mpg
• D)30 mpg

---

Definitions:

Amygdala

A part of the limbic system that apparently facilitates stereotypical aggressive responses.

Aggressive Reactions

Responses characterized by anger or hostility, often as a result of provocation or frustration.

Commitment

A pledge or promise to do something, often involving dedication to a cause, project, relationship, or goal.