TABLE 14-9 You Decide to Predict Gasoline Prices in Different Cities and Cities

question 190

Multiple Choice

TABLE 14-9
You decide to predict gasoline prices in different cities and towns in the United States for your term project.Your dependent variable is price of gasoline per gallon and your explanatory variables are per capita income and the number of firms that manufacture automobile parts in and around the city.You collected data of 32 cities and obtained a regression sum of squares SSR= 122.8821.Your computed value of standard error of the estimate is 1.9549.
-Referring to Table 14-9,if the variable that measures the number of firms that manufacture automobile parts in and around the city is removed from the multiple regression model,which of the following would be true?

• A)The adjusted r² will definitely increase.
• B)The adjusted r² cannot increase.
• C)The coefficient of multiple determination will not increase.
• D)The coefficient of multiple determination will definitely increase.

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Definitions:

MEO

Stands for Medium Earth Orbit, referring to a satellite system placed at an altitude between low earth and geostationary orbits, often used for communication and navigation.

Global Coverage

The extent to which a service, such as telecommunications, is available worldwide or across a wide area.

GEO

Stands for Geostationary Earth Orbit, a circular orbit around Earth that matches the Earth's rotation, allowing satellites to appear stationary relative to a point on Earth.

LEO

An acronym for Low Earth Orbit, which refers to a satellite orbit less than 2,000 kilometers above the Earth's surface, commonly used for telecommunications, military reconnaissance, and scientific observation.