The Editors of a National Automotive Magazine Recently Studied 30

question 127

Multiple Choice

The editors of a national automotive magazine recently studied 30 different automobiles sold in the United States with the intent of seeing whether they could develop a multiple regression model to explain the variation in highway miles per gallon.A number of different independent variables were collected.The following regression output is the result of using a forward selection stepwise regression approach. Based on the regression output,which of the following statements is true?

• A)There is a multicollinearity problem since the standard error of the estimate actually increased when the second variable,"Price as Tested," entered the model.
• B)The R-square value increased when the second variable entered the model.
• C)Neither variable in the model is statistically significant at the alpha = 0.05 level.
• D)The reason that only two variables entered the model is due to the small sample size used in this study.

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Definitions:

Skills Model

A leadership model that focuses on the capabilities, knowledge, and skills that make an effective leader, suggesting that leadership is developed through learning and experience.

Complex Problem-solving

The process of addressing multifaceted and intricate issues that do not have straightforward solutions.

Traits Importance

emphasizes the significance of individual characteristics or qualities in influencing outcomes, such as behavior or performance.

Motivation Role

pertains to the function of motives in driving individuals' actions towards achieving goals.