Lampiran 1. Ketersediaan Beras di Provinsi Sumatera Utara
Tahun Ketersediaan (Ton) Harga Domestik (Rp/Ton) Harga Impor (Rp/Ton) Harga Kedelai (Rp/Ton) Luas Panen Jagung (Ha) Konsumsi (Ton/Kap/ Tahun) Tenaga Kerja (Jiwa)
2002 2.020.667,546 3.340.000 2.964.950 3.412.754 198.670 1.412.171,459 2.888.193
2003 2.161.064,094 3.306.400 2.094.490 3.838.014 210.782 1.410.201,321 4.571.093
2004 2.199.371 3.299.000 1.552.360 3.693.055 214.885 1.430.556,48 4.276.453
2005 2.666.092,982 3.992.200 2.725.020 4.397.416 218.596 1.447.151,997 4.399.699
2006 2.432.651,447 5.060.000 2.878.550 5.236.117 194.872 1.470.311,917 4.074.774
2007 2.585.047,643 5.708.000 3.062.280 5.172.916 229.882 1.478.262,852 3.987.998
2008 2.340.626,106 6.143.400 3.579.630 6.859.375 240.413 1.487.737,1 4.203.091
2009 2.440.210,06 6.750.750 3.511.030 6.810.416 247.782 1.440.099,558 4.255.602
2010 2.633.748,272 7.310.750 4.511.730 7.321.981 274.822 1.406.362,159 4.468.816
2011 2.668.400,803 8.656.500 5.011.010 8.177.777 255.291 1.453.188,796 3.845.341
2012 2.382.686,611 9.178.750 4.578.780 8.201.041 243.097 1.303.170,693 3.834.093
2013 2.358.221,225 9.701.000 5.907.950 9.650.000 211.750 1.392.599,082 3.880.703
Lampiran 2. Ketersediaan Jagung di Provinsi Sumatera Utara
Tahun Ketersediaan Luas Panen (Ha) Harga Domestik (Rp/Ton)
Jumlah Penduduk
(Jiwa)
Tenaga Kerja (Jiwa)
Nilai Tukar (Rp/US$)
1999 683.065 233.506 1.980.873 11.955.400 2.829.078 7.100
2000 666.764 221.906 1.882.469 11.513.973 2.800.396 9.725
2001 634.162 198.709 1.685.660 11.722.397 2.899.214 10.265
2002 640.614,33 198.670 1.663.100 11.847.076 2.888.193 9.260
2003 687.360 210.782 1.691.500 11.890.399 4.571.093 8.570
2004 712.558 214.885 1.833.000 12.123.360 4.276.453 8.985
2005 937.590,278 218.596 2.117.000 12.326.678 4.399.699 9.705
2006 771.636 194.872 2.087.000 12.643.494 4.074.774 9.200
2007 832.151 229.882 2.192.000 12.834.371 3.987.998 9.125
2008 1.190.449,338 240.413 3.172.000 13.042.317 4.203.091 9.666
2009 1.207.639,464 247.782 3.385.000 13.248.386 4.255.602 9.447
2010 1.786.892,977 274.822 3.913.000 12.982.204 4.468.816 9.036
2011 1.749.941,008 255.291 4.146.000 13.103.596 3.845.341 9.113
2012 1.860.226,481 243.097 5.108.000 13.215.401 3.834.093 9.718
2013 1.483.273,448 211.750 6.423.000 13.326.307 3.880.703 12.250
Lampiran 3. Hasil Analisis Regresi Faktor-Faktor Yang Mempengaruhi Ketersediaan Beras di Sumatera Utara 2002-2013
Variables Entered/Removedb
Model
Variables Entered
Variables
Removed Method
1 Tenaga Kerja,
Harga Kedelai, Konsumsi beras, Luas Panen Jagung, Harga Impor, Harga Domestika . Enter
a. All requested variables entered.
b. Dependent Variable: Ketersediaan Beras
Model Summaryb
Model R R Square
Adjusted R Square
Std. Error of the Estimate
Change Statistics
Durbin-Watson R Square
Change F Change df1 df2 Sig. F Change
Model Summaryb
Model R R Square
Adjusted R Square
Std. Error of the Estimate
Change Statistics
Durbin-Watson R Square
Change F Change df1 df2 Sig. F Change
1 .916a .838 .644 1.24700E5 .838 4.317 6 5 .065 1.814
a. Predictors: (Constant), Tenaga Kerja, Harga Kedelai, Konsumsi beras, Luas Panen Jagung, Harga Impor, Harga Domestik
b. Dependent Variable: Ketersediaan Beras
ANOVAb
Model
Sum of
Squares df Mean Square F Sig.
1 Regression 4.028E11 6 6.713E10 4.317 .065a
Residual 7.775E10 5 1.555E10
Total 4.806E11 11
a. Predictors: (Constant), Tenaga Kerja, Harga Kedelai, Konsumsi beras, Luas Panen Jagung, Harga Impor, Harga Domestik
Coefficientsa Model Unstandardize d Coefficients Standardiz ed Coefficien ts t Sig . Correlations Collinearity Statistics B Std.
Error Beta
Zero -orde
r
Parti al Part
Toleran
ce VIF
1 (Constant ) -3.033 E6 1.375 E6 -2.20 6 .07 9 Harga
Domestik .297 .113 3.310
2.61 6
.04
7 .448 .760 .471 .020
49.47 6
Harga
Impor .224 .121 1.350
1.85 6
.12
3 .392 .639 .334 .061
16.36 1
Harga
Kedelai -.406 .146 -3.991
-2.78 0
.03
9 .430 -.779
-.500 .016
Luas Panen Jagung
1.044 2.150 .121 .486 .64
8 .597 .212 .087 .519 1.929
Konsumsi
beras 2.457 .896 .581
2.74 4
.04
1 .245 .775 .494 .721 1.388
Tenaga
Kerja .388 .139 .821
2.79 6
.03
8 .398 .781 .503 .375 2.666
Collinearity Diagnosticsa
Model Dimension Eigenvalue
Condition Index
Variance Proportions
(Constant)
Harga Domestik
Harga Impor
Harga Kedelai
Luas Panen Jagung
Konsumsi beras
Tenaga Kerja
1 1 6.799 1.000 .00 .00 .00 .00 .00 .00 .00
2 .179 6.159 .00 .00 .01 .00 .00 .00 .00
3 .012 24.133 .01 .02 .20 .01 .00 .01 .09
4 .005 36.832 .00 .01 .00 .02 .77 .01 .10
5 .004 43.975 .02 .19 .48 .00 .06 .02 .23
6 .001 78.358 .02 .43 .23 .62 .14 .08 .44
7 .000 140.767 .94 .35 .08 .34 .03 .88 .13
Lampiran 4. Hasil Analisis Regresi Faktor-Faktor Yang Mempengaruhi Ketersediaan Jagung di Sumatera Utara 1999-2013
Variables Entered/Removedb
Model
Variables Entered
Variables
Removed Method
1 Tenaga Kerja,
Nilai Tukar, Luas Panen, Jumlah Penduduk, Harga
Domestika
. Enter
a. All requested variables entered.
Model Summaryb
Model R R Square
Adjusted R Square
Std. Error of the Estimate
Change Statistics
Durbin-Watson R Square
Change F Change df1 df2 Sig. F Change
1 .955a .912 .864 1.68875E5 .912 18.721 5 9 .000 1.499
a. Predictors: (Constant), Tenaga Kerja, Nilai Tukar, Luas Panen, Jumlah Penduduk, Harga Domestik
b. Dependent Variable: Ketersediaan Jagung
ANOVAb
Model
Sum of
Squares df Mean Square F Sig.
1 Regression 2.669E12 5 5.339E11 18.721 .000a
Residual 2.567E11 9 2.852E10
Total 2.926E12 14
a. Predictors: (Constant), Tenaga Kerja, Nilai Tukar, Luas Panen, Jumlah Penduduk, Harga Domestik
Coefficientsa
Model
Unstandardized Coefficients
Standardized Coefficients
t Sig.
Correlations
Collinearity Statistics
B Std. Error Beta Zero-order Partial Part Tolerance VIF
1 (Constant) -1.706E6 1.941E6 -.879 .402
Luas Panen 8.115 3.111 .407 2.609 .028 .741 .656 .258 .400 2.503
Jumlah
Penduduk .012 .164 .016 .072 .944 .822 .024 .007 .188 5.309
Harga Domestik .207 .075 .655 2.750 .022 .868 .676 .272 .172 5.826
Nilai Tukar -3.821 70.950 -.009 -.054 .958 .296 -.018 -.005 .360 2.779
Tenaga Kerja .057 .094 .079 .607 .559 .386 .198 .060 .569 1.757
Collinearity Diagnosticsa
Model Dimension Eigenvalue
Condition Index
Variance Proportions
(Constant) Luas Panen
Jumlah Penduduk
Harga
Domestik Nilai Tukar Tenaga Kerja
1 1 5.827 1.000 .00 .00 .00 .00 .00 .00
2 .141 6.420 .00 .00 .00 .19 .00 .00
3 .019 17.540 .00 .00 .00 .00 .06 .50
4 .012 22.431 .00 .17 .00 .00 .12 .16
5 .001 66.132 .08 .83 .09 .15 .71 .02
6 .000 150.984 .92 .00 .91 .65 .11 .31
