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a. Develop an estimated multiple regression equation which predicts the airfare along a given route. b. Which variables are significant? Do you prefer to add

a. Develop an estimated multiple regression equation which predicts the airfare along a given route. b. Which variables are significant? Do you prefer to add all the independent variables to the model? c. Interpret the R2 (R-squared). d. Interpret the results and please add your comments on the fitting of your model?

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