Introduction and Objectives: There are 3 parts to this tutorial exercise. All 3 parts use the data in the sheet named "Auction". In parts 1 and 2 you will investigate how results can change when multiple regression is used rexplore the meaning of R2 , the relationship between R2 and the correlation coefficient, and som tool. You will perform a hypothesis test for the slope in part 3. Instructions: As indicated above, there are 3 parts to this exercise, each on separate worksheets (as labelled tab and complete the tasks outlined within them. Be sure to paste the appropriate Excel output i worksheets for any working if needed. Once you have completed all three parts, save your work for future reference. Feedback on the exercise will be provided on Blackboard next week; this week's exercises are