Problem 1 Consider the following data on the length in (millimeters) of some computer chips produced by a given company. Every hour a sample of 4 chips were taken from the nished good inventory and the following measurements were taken: Sample Number 1 2 3 4 1 12.2 17 13.1 15.3 2 12.6 15.5 14.3 15.2 3 15.8 14.5 11.1 14.6 4 13.1 14 13.5 12.8 5 15.9 15.9 15.7 16.4 6 13.9 12.4 13.9 15.2 7 11.7 16 14.8 16.5 8 16 17.8 16.4 16.6 9 15.2 12.4 13.2 13.9 10 11.6 15.2 12.1 15.2 11 15.4 12.7 13.7 11.5 12 15.8 16.5 14 16.6 13 11.9 12.1 13.7 12.9 14 16.7 13.1 12.3 11.4 15 13.3 14.7 13.9 15.3