Grafik Histogram sebelum penambahan kriteria Grafik Normal Plot sebelum penambahan kriteria Hasil Uji Normalitas dengan Uji Kolmogorov-Smirnov sebelum penambahan kriteria Grafik Histogram setelah penambahan kriteria Grafik Normal Plot setelah penamb

91 LAMPIRAN 3 1. Uji Asumsi Klasik 1.1 Uji Normalitas

a. Grafik Histogram sebelum penambahan kriteria

b. Grafik Normal Plot sebelum penambahan kriteria

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c. Hasil Uji Normalitas dengan Uji Kolmogorov-Smirnov sebelum penambahan kriteria

One-Sample Kolmogorov-Smirnov Test Unstandardized Residual N 215 Normal Parameters a,b Mean -.0007858 Std. Deviation 3772711076348.6 5620000 Most Extreme Differences Absolute .219 Positive .219 Negative -.211 Kolmogorov-Smirnov Z 3.208 Asymp. Sig. 2-tailed .000 a. Test distribution is Normal. b. Calculated from data.

d. Grafik Histogram setelah penambahan kriteria

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e. Grafik Normal Plot setelah penambahan kriteria

f. Hasil Uji Normalitas dengan Uji Kolmogorov-Smirnov setelah penambahan kriteria

One-Sample Kolmogorov-Smirnov Test Unstandardized Residual N 80 Normal Parameters a,b Mean .0000000 Std. Deviation .63562262 Most Extreme Differences Absolute .093 Positive .093 Negative -.050 Kolmogorov-Smirnov Z .833 Asymp. Sig. 2-tailed .492 a. Test distribution is Normal. b. Calculated from data. Universitas Sumatera Utara 94

1.2 Uji Heterokedastisitas

Correlations LnIf LnNt ABS_RES Spearmans rho LnIf Correlation Coefficient 1.000 .800 .047 Sig. 2-tailed . .000 .681 N 80 80 80 LnNt Correlation Coefficient .800 1.000 .024 Sig. 2-tailed .000 . .832 N 80 80 80 ABS_RES Correlation Coefficient .047 .024 1.000 Sig. 2-tailed .681 .832 . N 80 80 80 . Correlation is significant at the 0.01 level 2-tailed.

1.3 Uji Multikolinearitas

1.4 Uji Autokorelasi

Model Summary b Model R R Square Adjusted R Square Std. Error of the Estimate Durbin-Watson 1 .311 a .096 .073 .64382 1.648 a. Predictors: Constant, LnNt, LnIf b. Dependent Variable: LnPk Coefficients a Model Unstandardized Coefficients Standardized Coefficients t Sig. Collinearity Statistics B Std. Error Beta Tolerance VIF 1 Constant 8.641 7.658 1.128 .263 LnIf -.184 .221 -.119 -.832 .408 .576 1.736 LnNt 2.258 .860 .374 2.624 .010 .576 1.736 a. Dependent Variable: LnPk Universitas Sumatera Utara 95 2. Pengujian Hipotesis 2.1 Hasil Analisis Regresi Linear Berganda