b) You are the project manager for building a new car and are in the test phase for performance. One of the test criterions includes tire pressure and relative speed of the car. You have determined to test the maximum speed of the car at various tire pressure levels. At 26 PSI (tire pressure), you estimate the average maximum speed to be 70 mph. The lowest control limit is 60.7 mph and the highest is 90.4 mph. After 16 tests the following results yield. 60.5 mph, 60.9 mph, 60.92 mph, 72 mph, 79 mph, 63 mph, 90.39 mph, 88 mph, 90.1 mph, 67 mph, 77.6 mph, 63 mph, 90.2 mph, 84 mph, 60.8 mph, 60.4 mph. Analyzes the result based on Quality Control tools and techniques and recommend action that you should take.