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
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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.
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15
pH
7 10
8
t c
9
5 15
30 45
pp
b. Output Minitab 14