Tire | Steering | Tread Wear | Buy Again | |
Goodyear Assurance TripleTred | 8.9 | 8.5 | 8.1 | |
Michelin HydroEdge | 8.9 | 9 | 8.3 | |
Michelin Harmony | 8.3 | 8.8 | 8.2 | |
Dunlop SP 60 | 8.2 | 8.5 | 7.9 | |
Goodyear Assurance ComforTred | 7.9 | 7.7 | 7.1 | |
Yokohama Y372 | 8.4 | 8.2 | 8.9 | |
Yokohama Aegis LS4 | 7.9 | 7 | 7.1 | |
Kumho Power Star 758 | 7.9 | 7.9 | 8.3 | |
Goodyear Assurance | 7.6 | 5.8 | 4.5 | |
Hankook H406 | 7.8 | 6.8 | 6.2 | |
Michelin Energy LX4 | 7.4 | 5.7 | 4.8 | |
Michelin MX4 | 7 | 6.5 | 5.3 | |
Michelin Symmetry | 6.9 | 5.7 | 4.2 | |
Kumho 722 | 7.2 | 6.6 | 5 | |
Dunlop SP 40 A/S | 6.2 | 4.2 | 3.4 | |
Bridgestone Insignia SE200 | 5.7 | 5.5 | 3.6 | |
Goodyear Integrity | 5.7 | 5.4 | 2.9 | |
Dunlop SP20 FE | 5.7 | 5 | 3.3 | |
The Tire Rack, America's leading online distributor of tires andwheels, conducts extensive testing to provide customers withproducts that are right for their vehicle. The following data showsurvey ratings (1 to 10, with 10 being the highest) for 18 summertires. Develop an estimated regression equation that can be used topredict the Buy Again rating given based on the Steering and Treadwear rating. How many percent of the variation in the Buy Againvariable could be predicted by Steering and Thread wear rating?
Note: put answers into decimal form, if your answer is 90.8765%,enter in 0.908765.
