Output Minitab 14 SIMPULAN DAN SARAN

TPC P e r c e n t 8.0 7.5 7.0 6.5 6.0 5.5 5.0 99 95 90 80 70 60 50 40 30 20 10 5 1 Mean 0.150 6.554 StDev 0.5800 N 11 KS 0.139 P-Valu e Normal 15 TPC 5 10 6 TC 7 5 15 30 45 PP PP T C 45 40 35 30 25 20 15 10 5 15.0 12.5 10.0 7.5 5.0 TPC 5.5 - 6.0 6.0 - 6.5 6.5 - 7.0 7.0 5.0 5.0 - 5.5

b. Output Minitab 14

Gambar Plot Probabilitas Kenormalan Pertumbuhan Populasi Bakteri menggunakan Kolmogorov-Smimov Normality Test Gambar Plot Permukaan Respon dan Kontur Pertumbuhan Populasi Bakteri Click to buy NOW PD w w w .docu-track. co m Click to buy NOW PD w w w .docu-track. co m Lampiran 10. Hasil analisis perubahan pH media a. Output SAS Versi 8 The SAS The RSREG Procedure Coding Coefficients for the Independent Variables Factor Subtracted off Divided by x1 25.000000 21.210000 x2 10.000000 7.070000 Response Surface for Variable y1 Response Mean 7.363636 Root MSE 0.573916 R-Square 0.6377 Coefficient of Variation 7.7939 Type I Sum Regression DF of Squares R-Square F Value Pr F Linear 2 1.853402 0.4077 2.81 0.1518 Quadratic 2 0.795152 0.1749 1.21 0.3735 Crossproduct 1 0.250000 0.0550 0.76 0.4235 Total Model 5 2.898555 0.6377 1.76 0.2750 Sum of Residual DF Squares Mean Square F Value Pr F Lack of Fit 3 1.646900 0.548967 Infty .0001 Pure Error 2 0 0 Total Error 5 1.646900 0.329380 Parameter Estimate Standard from Coded Parameter DF Estimate Error t Value Pr |t| Data Intercept 1 10.068946 1.524678 6.60 0.0012 7.000101 x1 1 -0.148573 0.067294 -2.21 0.0783 -0.676701 x2 1 -0.172926 0.219412 -0.79 0.4663 0.073186 x1x1 1 0.001667 0.001074 1.55 0.1813 0.749786 x2x1 1 0.003333 0.003826 0.87 0.4235 0.499849 x2x2 1 0.004997 0.009662 0.52 0.6271 0.249786 Sum of Factor DF Squares Mean Square F Value Pr F x1 3 2.875794 0.958598 2.91 0.1400 x2 3 0.359529 0.119843 0.36 0.7826 Canonical Analysis of Response Surface Based on Coded Data Critical Value Factor Coded Uncoded x1 0.750343 40.914775 x2 -0.897255 3.656404 Predicted value at stationary point: 6.713389 Eigenvectors Eigenvalues x1 x2 0.853286 0.923908 0.382614 0.146286 -0.382614 0.923908 Stationary point is a minimum. Click to buy NOW PD w w w .docu-track. co m Click to buy NOW PD w w w .docu-track. co m 15 pH 7 10 8 t c 9 5 15 30 45 pp

b. Output Minitab 14