An engineer is interested in the effects of cutting speed (a), tool geometry (b), and cutting angle (c) on the life (in hours) of a machine tool. two levels of each factor are chosen, and three replicates of a 23 factorial design are run. the results below. to answer parts of these questions you will need to use software. the data is not posted on canvas. you will need to put the data into jmp or minitab on your own. (see document posted on canvas in the homework folder with tips for minitab and jmp.)