Refer to the Lincolnville School District bus data. First, add a variable to change the type of engine (diesel or gasoli

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Refer to the Lincolnville School District bus data. First, add a variable to change the type of engine (diesel or gasoli

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Refer To The Lincolnville School District Bus Data First Add A Variable To Change The Type Of Engine Diesel Or Gasoli 1
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Refer to the Lincolnville School District bus data. First, add a variable to change the type of engine (diesel or gasoline) to a qualitative variable. If the engine type is diesel, then set the qualitative variable too. If the engine type is gasoline, then set the qualitative variable to 1. Develop a regression equation using statistical software with maintenance cost as the dependent variable and age, odometer miles, miles since last maintenance, and engine type as the independent variables Click here for the Excel Data File a-1. Develop a correlation matrix (Negative amounts should be indicated by a minus sign. Round your answers to 6 decimal places.) Maintenance cost (5) 1.0000 Age (years) Odometer Miles Miles since last Maintenance Engine Type (diesel) 1.0000 + Maintenance cost (5) Age (years) Odometer Miles Miles since last Maintenance Engine Type (Odiesel) 1.0000 1.0000 1.0000 a-2. Which independent variables are strongly correlated? The analysis also shows strong correlation belonge and como mies

a-4. Using a statistical software package, determine the regression equation using Age as the Independent variable. Report the R2 Maintenance Costs Аоо. 0-5. Because maintenance costs are likely to vary based on engine type (gasoline or diesel), add the variable "engine type to the regression analysis. Report the regression analysis with age and engine type (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) Maintenance Cous- Englyne

a-6. Interpret the coefficient of "engine type". The coefficient is Gasoline engines (code = 1) incur a higher average maintenance cost
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