Orba Ginting : Studi Korelasi Kegiatan Budidaya Ikan Keramba Jaring Apung dengan Pengayaan Nutrien Nitrat dan Fosfat dan Klorofil-a di Perairan Danau Toba, USU - 2011
- 88 -
b. Uji Regresi Input Pakan dengan Konsentrasi NO
3 -
Model Summaryb
Model R
R Square Adjusted R
Square Std. Error of
the Estimate Durbin-Watson
1 ,927a
,860 ,790
,0520520 2,232
a Predictors: Constant, Input Pakan kghari b Dependent Variable: NO3 mgL
ANOVAb
Model Sum of
Squares df
Mean Square
F Sig.
1 Regression
,033 1
,033 12,293
,073a Residual
,005 2
,003 Total
,039 3
a Predictors: Constant, Input Pakan kghari b Dependent Variable: NO3 mgL
Coefficientsa
Model Unstandardized
Coefficients Standardized
Coefficients t
Sig. B
Std. Error Beta
B Std. Error
1 Constant
,475 ,036
13,252 ,006
Input Pakan kghari 4,73E-005
,000 ,927
3,506 ,073
a Dependent Variable: NO3 mgL
Residuals Statisticsa
Minimum Maximum
Mean Std. Deviation
N Predicted Value
,474884 ,714477
,561250 ,1053660
4 Residual
-,0508842 ,0496440
,0000000 ,0425003
4 Std. Predicted Value
-,820 1,454
,000 1,000
4 Std. Residual
-,978 ,954
,000 ,816
4 a Dependent Variable: NO3 mgL
Universitas Sumatera Utara
Orba Ginting : Studi Korelasi Kegiatan Budidaya Ikan Keramba Jaring Apung dengan Pengayaan Nutrien Nitrat dan Fosfat dan Klorofil-a di Perairan Danau Toba, USU - 2011
- 89 -
c. Uji Regresi Input Pakan dengan Konsentrasi Klorofil-a
Model Summaryb
Model R
R Square Adjusted R
Square Std. Error of
the Estimate Durbin-Watson
1 ,994a
,987 ,981
,0367789 1,827
a Predictors: Constant, Input Pakan kghari b Dependent Variable: Klorofil-a mgm3
ANOVAb
Model Sum of
Squares df
Mean Square
F Sig.
1 Regression
,208 1
,208 154,131
,006a Residual
,003 2
,001 Total
,211 3
a Predictors: Constant, Input Pakan kghari b Dependent Variable: Klorofil-a mgm3
Coefficientsa
Model Unstandardized
Coefficients Standardized
Coefficients t
Sig. B
Std. Error Beta
B Std. Error
1 Constant
5,502 ,025
217,304 ,000
Input Pakan kghari ,000
,000 ,994
12,415 ,006
a Dependent Variable: Klorofil-a mgm3
Residuals Statisticsa
Minimum Maximum
Mean Std. Deviation
N Predicted Value
5,502190 6,101645
5,718275 ,2636232
4 Residual
-,0333898 ,0378422
,0000000 ,0300299
4 Std. Predicted Value
-,820 1,454
,000 1,000
4 Std. Residual
-,908 1,029
,000 ,816
4 a Dependent Variable: Klorofil-a mgm3
Universitas Sumatera Utara
Orba Ginting : Studi Korelasi Kegiatan Budidaya Ikan Keramba Jaring Apung dengan Pengayaan Nutrien Nitrat dan Fosfat dan Klorofil-a di Perairan Danau Toba, USU - 2011
- 90 -
d. Uji Regresi Konsentrasi PO