Faktor-faktor yang mempengaruhi Ketersediaan dan Konsumsi Kedelai di Sumatera Utara

65

Lampiran 1
Ketersediaan Kedelai di Sumatera Utara tahun 1998-2013
Tahun
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013


Ketersediaan
(Ton)
54.770
54.065
21.583
13.479
11.119
49.287
24.608
61.545
41.487
62.942
77.096
85.842
92.697
117.796
115.495
119.394


Luas Panen
(Ha)
42.242
27.171
12.113
10.003
9.705
9.910
11.706
13.787
6.311
3.747
9.597
11.494
7.803
11.413
5.475
3.126

Tenaga Kerja

(Jiwa)
2.608.706
2.679.078
2.650.396
2.749.214
2.738.193
4.421.093
4.126.453
4.249.699
4.074.774
3.987.998
4.203.091
4.255.602
4.468.816
3.845.341
3.834.093
3.880.703

Pendapatan
(juta/kap/th)

4.361.485
5.476.169
5.928.518
6.741.914
7.482.946
8.672.097
9.741.566
11.326.516
12.684.532
14.166.626
16.813.290
18.381.013
21.236.780
23.778.381
26.184.746
29.722.268

Nilai Tukar
(Rp/$)
11.750

7.100
9.725
10.265
9.260
8.570
8.985
9.705
9.200
9.125
9.666
9.447
9.036
9.113
9.718
12.250

Konsumsi Kedelai di Sumatera Utara tahun 1998-2013
Tahun
1998
1999

2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013

Konsumsi
Harga Kedelai
Jumlah
Jumlah Industri Pendapatan
Kedelai (ton)

Impor (Rp/ton) Penduduk (Jiwa)
(Unit)
(Juta/Kap/th)
403
31.955
5.604.727
11.754.100
4.361.485
396
32.179
1.383.657
11.955.400
5.476.169
402
34.857
9.058.959
11.513.973
5.928.518
385
40.088

2.144.949
11.247.958
6.741.914
387
44.016
2.376.306
11.383.503
7.482.946
378
31.199
2.200.513
11.591.182
8.672.097
384
41.412
3.349.364
12.160.536
9.741.566
398
55.200

2.777.740
12.326.678
11.326.516
521
56.580
2.468.816
12.643.494
12.684.532
525
56.580
3.031.310
12.834.371
14.166.626
512
57.314
5.233.083
13.042.317
16.813.290
458
58.111

4.374.414
13.248.386
18.381.013
469
56.613
4.204.958
12.982.204
21.236.780
460
59.993
5.200.902
13.103.596
23.778.381
457
60.512
5.732.582
13.215.401
26.184.746
413
61.316

7.492.145
13.326.307
29.722.268
Sumber: diolah dari data sekunder,2015

Nilai Tukar
(Rp/$)
11.750
7.100
9.725
10.265
9.260
8.570
8.985
9.705
9.200
9.125
9.666
9.447
9.036
9.113
9.718
12.250

Universitas Sumatera Utara

66

Lampiran 2. Hasil Analisis Regresi Faktor-Faktor Yang Mempengaruhi
Ketersediaan Kedelai di Sumatera Utara th 1998-2013

Regression
Variables Entered/Removedb
Variables
Entered

Model
1

Variables
Removed

Nilai Tukar,
Luas Panen,
Tenaga Kerja,
Pendapatana

Method

. Enter

a. All requested variables entered.
b. Dependent Variable: Ketersediaan

Model Summaryb
Change Statistics
Model
1

R
Adjusted R
Square
Square

R
.976a

.952

.935

Std. Error of
the Estimate

R Square
Change

9247.65680

F Change

.952

54.762

df1

df2

4

11

Sig. F
Change
.000

a. Predictors: (Constant), Nilai Tukar, Luas Panen, Tenaga Kerja,
Pendapatan
b. Dependent Variable: Ketersediaan

ANOVAb
Sum of
Squares

Model
1

Regression
Residual
Total

df

Mean Square

1.873E10

4

4.683E9

9.407E8

11

8.552E7

1.967E10

15

F
54.762

Sig.
.000a

a. Predictors: (Constant), Nilai Tukar, Luas Panen, Tenaga Kerja, Pendapatan
b. Dependent Variable: Ketersediaan

Universitas Sumatera Utara

DurbinWatson
3.189

67

Coefficientsa
Unstandardized
Coefficients
Model
1

B

Standardized
Coefficients

Std. Error

Collinearity
Statistics

Correlations

Beta

t

(Constant) -13137.516 28790.512

Sig.

-.456

.657

Zeroorder Partial

Part

Toler
ance

VIF

Luas
Panen

1.885

.321

.504

5.863

.000 -.201

.870

.387 .588 1.700

Tenaga
Kerja

.005

.005

.095

1.069

.308 .494

.307

.070 .548 1.826

Pendapata
n

.005

.000

1.156

11.969

.000 .895

.964

.789 .466 2.147

-3.992

2.297

-.130

-1.738

.110 .218

-.464

-.115 .777 1.288

Nilai
Tukar

a. Dependent Variable: Ketersediaan

Collinearity Diagnosticsa
Dimen
Model sion
1

Eigenvalue

Condition
Index

Variance Proportions
(Constant)

Luas Panen

Tenaga Kerja

Pendapatan

Nilai Tukar

1

4.406

1.000

.00

.01

.00

.00

.00

2

.494

2.987

.00

.30

.00

.07

.00

3

.076

7.611

.01

.46

.03

.73

.01

4

.020

14.822

.01

.23

.47

.00

.25

5

.004

33.101

.98

.01

.50

.20

.75

a. Dependent Variable: Ketersediaan

Universitas Sumatera Utara

68

Chart

Universitas Sumatera Utara

69

Lampiran 3. Hasil Analisis Regresi Faktor-Faktor Yang Mempengaruhi
Konsumsi Kedelai di Sumatera Utara th 1998-2013
Regression
Variables Entered/Removedb
Variables
Entered

Model
1

Variables
Removed

Nilai Tukar,
Jumlah
Industri,
Pendapatan,
Harga Kedelai
Impor, Jumlah
Penduduka

Method

. Enter

a. All requested variables entered.
b. Dependent Variable: Konsumsi

Model Summaryb
Change Statistics
Model

R

1

.932a

Adjusted
R Square R Square
.868

.802

Std. Error of
the Estimate

R Square
Change

5157.16900

.868

F Change

df1

13.178

df2

5

Sig. F DurbinChange Watson

10

.000

a. Predictors: (Constant), Nilai Tukar, Jumlah Industri, Pendapatan, Harga Kedelai Impor,
Jumlah Penduduk
b. Dependent Variable: Konsumsi

ANOVAb
Sum of
Squares

Model
1

df

Mean Square

Regression

1.752E9

5

3.505E8

Residual

2.660E8

10

2.660E7

Total

2.018E9

15

F

Sig.

13.178

.000a

a. Predictors: (Constant), Nilai Tukar, Jumlah Industri, Pendapatan, Harga Kedelai
Impor, Jumlah Penduduk
b. Dependent Variable: Konsumsi

Universitas Sumatera Utara

1.954

70

Coefficientsa
Unstandardized
Coefficients
Model
1

B
(Constant)

Standardized
Coefficients

Std. Error

Beta

Collinearity
Statistics

Correlations
t

Zeroorder Partial

Sig.

Part

Tolera
nce

VIF

-38383.848

56505.796

-.679

.512

-.001

.001

-.208 -1.393

.194

.197

-.403

-.160

.592 1.690

.003

.006

.485

.638

.880

.152

.056

.105 9.523

73.268

40.552

.328 1.807

.101

.689

.496

.207

.401 2.495

Pendapatan

.001

.000

.590 1.973

.077

.851

.529

.226

.147 6.785

Nilai Tukar

1.528

1.439

.155 1.062

.313

.193

.318

.122

.616 1.625

Harga
Kedelai
Impor
Jumlah
Penduduk
Jumlah
Industri

.172

a. Dependent Variable:
Konsumsi

Collinearity Diagnosticsa
Variance Proportions
Dimens
Model ion
Eigenvalue Condition Index (Constant)
1

Harga
Kedelai Jumlah
Impor Penduduk

Jumlah
Industri

Pendap Nilai
atan Tukar

1

5.670

1.000

.00

.00

.00

.00

.00

.00

2

.185

5.538

.00

.11

.00

.00

.10

.00

3

.130

6.604

.00

.58

.00

.00

.08

.00

4

.011

22.319

.00

.23

.00

.20

.02

.41

5

.004

38.949

.04

.08

.01

.42

.01

.53

6

.000

164.173

.96

.00

.99

.38

.79

.06

a. Dependent Variable: Konsumsi

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71

Chart

Universitas Sumatera Utara