1. (10 points total). A11 engineer trying to develop a new alloy has run an experiment where she varied the percentage of a metal at 5 (ve) different levels and measured the tensile strength. A total of 20 tests were conducted (each level was replicated 4 times). A partially completed ANOVA table is shown below: Source SS dof MS F Treatments 20 Error 600 Total 620 a) (6 points). Complete and ll up the table above (6 answers needed). b) (4 points). Do the different percentages of metal affect the tensile strength response