SCENARIO 14-14 An Automotive Engineer Would Like to Be Able to Predict

question 43

Multiple Choice

SCENARIO 14-14
An automotive engineer would like to be able to predict automobile mileages.She believes that the
two most important characteristics that affect mileage are horsepower and the number of cylinders (4
or 6) of a car.She believes that the appropriate model is
Y = 40 - 0.05X1 + 20X2 - 0.1X1X2
where X1 = horsepower
X2 = 1 if 4 cylinders, 0 if 6 cylinders
Y = mileage.
-Referring to Scenario 14-14, the fitted model for predicting mileages for 6-cylinder cars is
________.

• A) 40 - 0.05X1
• B) 40 - 0.10X1
• C) 60 - 0.10X1
• D) 60 - 0.15X1

---

Definitions:

Share Characteristic

A trait or feature that is common across different members or elements in a group or category.

Aggregate of Individuals

A collection or group of individuals considered as a whole for the purpose of analysis but without considering the intricate interactions or relationships among them.

Share Characteristic

Having a trait, quality, or attribute in common with others or between multiple entities.

Key Element

A fundamental component or aspect that is essential for the functioning or success of something.