Consider the methanol oxidation data in Table B.20. Perform a thorough analysis of these data. What conclusions do you draw from this analysis?

x x2 X3 X4 y 0 454 8.8 3.90 1.30 1.1 0 474 8.2 3.68 1.16 4.2 0 524 7.0 2.78 1.25 94.2 0 503 7.4 2.27 1.57 20.7 0 493 7.6 2.40 1.55 15.7 0 493 7.6 1.28 2.71 15.9 0 493 7.5 5.68 0.54 14.7 0 493 7.6 4.65 0.74 10.8 0 493 7.4 3.30 1.01 9.6 0 493 7.4 2.52 1.12 12.7 0 493 7.5 2.44 0.86 7.1 493 7.5 2.47 0.45 9.0 530 6.7 1.97 1.74 96.0 522 6.9 2.03 0.94 78.4 522 6.9 2.05 0.93 78.3 503 7.3 2.16 0.94 71.4 453 8.7 2.76 0.90 0.5 483 7.7 2.42 0.91 3.1