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

question 44

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 4-cylinder cars is
________.

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

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Definitions:

Raw Materials

The basic materials from which a product is made, often referred to in the context of manufacturing and production industries.

Assemblers

Individuals or machines that put together components to create a finished product.

Partnership

A legal form of business operation between two or more individuals who share management and profits.

Ratio

A mathematical expression that compares two quantities and shows the relative size of one quantity to the other.