Chapter 17: Data on water content and run time of styrofoam which has been pre-expanded by adding water, allowed to dry, and then formed in a molding machine. Col 1: Water content Col 2: Run time 1.1 11.7 2.6 10.2 3.6 9.8 3.0 8.4 5.1 7.6 6.2 5.7 8.0 5.2 8.2 4.6 10.0 3.4 10.5 2.6 11.1 1.6 13.0 0.7