Question: (Need answer step by step with Excel sheet ) Price Miles Weight Age 26. Please answer the following questions. Please make sure that you have
(Need answer step by step with Excel sheet )
| Price | Miles | Weight | Age | 26. Please answer the following questions. Please make sure that you have the output for each questions. (20 points) | ||||||||||||||||
| 13500 | 4995 | 1165 | 2 | A. Please compute a correlation matrix for all the variables. (3 points) | ||||||||||||||||
| 13750 | 5048 | 1160 | 2 | B. Please indicate the correlation between "Miles" and Age". Please calcualte the P value for this correlation and identify whether it is significant or not. (4 points) | ||||||||||||||||
| 13950 | 4874 | 1165 | 1 | C. Estimate a regression model for "Price" = "Miles". (2 points) | ||||||||||||||||
| 13950 | 4536 | 1165 | 1 | D. Estimate a regression model for "Price" = "Age". (2 points) | ||||||||||||||||
| 13750 | 5300 | 1170 | 2 | E. If price is the dependent variable, which of the two independent variables do you think explains sales better? Explain. (4 points ) | ||||||||||||||||
| 14800 | 4125 | 1165 | 1 | F. Estimate a Regrsesion model for "Price" ="Miles" + "Age" +"Weight", and explain the model fit and the significant variables. ( 5 points) | ||||||||||||||||
| 13750 | 4895 | 1170 | 1 | |||||||||||||||||
| 13950 | 4325 | 1165 | 2 | |||||||||||||||||
| 13700 | 5000 | 1165 | 2 | |||||||||||||||||
| 12500 | 8500 | 1170 | 3 | |||||||||||||||||
| 11500 | 9578 | 1160 | 3 | |||||||||||||||||
| 12400 | 5675 | 1165 | 2 | |||||||||||||||||
| 11850 | 9857 | 1170 | 4 | |||||||||||||||||
| 10900 | 10240 | 1165 | 4 | |||||||||||||||||
| 11450 | 10253 | 1170 | 3 | |||||||||||||||||
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