Your report should have the following qualities:
1. Your report must be in a genuine report format with problem definition, analysis, and final conclusion.
2. All important analysis steps need to be followed to arrive at the model to be used for prediction. Attach the details of your analysis at the end of your report. Very simplistic analysis with no sufficient details is assigned a near zero credit. Just running excel does not guarantee any credit.
3. The report should including the discussions of the scatter diagram, regression equation, test for significant relationship, coefficient of determination, correlation coefficient, interpretation of the slope of the regression equation, 95% prediction interval and the 95% confidence interval of the mean sales price given mileage.