Question: Question 3: Application of response surface method. (30 points) The data table below came from a tire radial run-out study. Lower run-out values are desirable

Question 3: Application of response surface
Question 3: Application of response surface method. (30 points) The data table below came from a tire radial run-out study. Lower run-out values are desirable The factors under study were: = Post-inflation time (minutes), *2 = Post-inflation pressure (psi), = Cure temperature ( F), XA = Rim size (inches), and The response variable was: y = Radial run-out (mils). X1 *2 X3 X4 y 9.6 40 305 4.5 0.51 32.5 40 305 4.5 0.28 WN 9.6 70 305 4.5 0.65 4 32.5 70 305 4.5 0.51 9.6 40 335 4.5 0.24 32.5 40 335 4.5 0.38 9.6 70 335 4.5 0.45 8 32.5 70 335 4.5 0.49 9 9.6 40 305 7.5 0.3 10 32.5 40 305 7.5 0.35 11 9.6 70 305 7.5 0.45 12 32.5 70 305 7.5 0.82 13 9.6 40 335 7.5 0.24 14 32.5 40 335 7.5 0.54 15 9.6 70 335 7.5 0.35 16 32.5 70 335 7.5 0.51 17 60 55 320 6 0.53 18 5 55 320 6 0.56 19 17.5 85 320 6 0.67 20 17.5 25 320 0.45 21 17.5 25 350 6 0.41 22 17.5 25 290 0.23 23 17.5 25 320 0.41 24 17.5 25 320 0.47 25 17.5 25 320 0.32

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