The Editors of a National Automotive Magazine Recently Studied 30

question 15

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 mileage per gallon. A number of different independent variables were collected. The following correlation matrix was developed: If only one variable were to be brought into the model, which variable should it be if the goal is to explain the highest possible percentage of variation in the dependent variable?

• A) 0 to 60 mph
• B) Horsepower
• C) Curb weight
• D) Displacement

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