Applied decisions methods
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how does gas mileage depend on the number of gears, engine size, number of cylinders, and the air aspiration methods? Do the finding based on the models in excel
Data and Variable Chart
(U.S. Department of Energy, 2020)
Labelling the Variables
Variables |
Labelling |
|
Short Names |
Letters |
|
• Fuel Economy for Combined City-Highway Test Procedure |
Comb FE – Conventional Fuel |
Comb FE |
• No. of Gears |
#Gears |
GR |
• The size of Engine in litters |
Eng Displ. |
ED |
• The No. of Cylinders in a Vehicle |
#Cyl. |
Cyl |
• Air Aspiration Method |
Air Aspir Method |
AAM |
Research Methodology
The descriptive Statistics for the dataset
The research was conducted using the Regression Analysisthis would include Single as well as Multiple Linear regression.This was used in order to find values of significance level and R square. These values would explain the strength of relationship between the variables and choose the best prediction model.