SIFAT KEKASARAN PERMUKAAN LEMPENG RESIN AKRILIK. POLIMERISASI
... Lampiran 2: Output Uji t-berpasangan Kekasaran Permukaan Resin Akrilik.
Lampiran 1. Skema Alur Penelitian SIFAT KEKASARAN PERMUKAAN LEMPENG RESIN AKRILIK POLIMERISASI PANAS SETELAH DIRENDAM DALAM LARUTAN DESINFEKTAN KLORHEKSIDIN GLUKONAT 0.2% Plat dari wax ukuran 12 x 12 x 2 mm Flasking Molding Proses curing Deflasking Polishing Penentuan kekasaran permukaan sebelum perendaman (0 menit) Perendaman sampel dalam larutan desinfektan klorheksidin glukonat 0.2% 15 menit
30 menit
45 menit
60 menit
Uji Kekasaran Permukaan Hasil (berupa data) Uji Statistik Hasil Statistik Kesimpulan
Universitas Sumatera Utara
Lampiran 2: Output Uji t-berpasangan Kekasaran Permukaan Resin Akrilik Sebelum dan Sesudah Direndam ● 15 menit Paired Samples Statistics Mean Pair 1
N
Std. Deviation
Std. Error Mean
sebelum perendaman
.0650
10
.01650
.00522
sesudah perendaman
.0690
10
.01370
.00433
Paired Samples Correlations N Pair 1
Correlation
sebelum perendaman & sesudah perendaman
10
Sig.
.811
.004
Paired Samples Test Paired Differences Std. Deviation
Mean
95% Confidence Interval of the Difference
Std. Error Mean
Lower Pair 1
sebelum perendaman sesudah perendaman
-.0040
.00966
.00306
-.0109
t
Sig. (2tailed)
df
Upper .0029
-1.309
9
.223
df
Sig. (2tailed)
● 30 menit Paired Samples Statistics Mean Pair 1
N
Std. Deviation
Std. Error Mean
sebelum perendaman
.0760
10
.01713
.00542
sesudah perendaman
.0780
10
.01814
.00573
Paired Samples Correlations N Pair 1
sebelum perendaman & sesudah perendaman
Correlation 10
Sig.
.937
.000
Paired Samples Test
Mean
Paired Differences 95% Confidence Interval of the Std. Std. Error Difference Deviation Mean Lower
Pair 1
sebelum perendaman sesudah perendaman
-.0020
.00632
.00200
-.0065
t
Upper .0025
-1.000
9
Universitas Sumatera Utara
.343
● 45 menit Paired Samples Statistics Mean Pair 1
N
Std. Error Mean
Std. Deviation
sebelum perendaman
.0840
10
.01776
.00562
sesudah perendaman
.0890
10
.02378
.00752
Paired Samples Correlations N Pair 1
Correlation
sebelum perendaman & sesudah perendaman
10
Sig.
.405
.246
Paired Samples Test Paired Differences Std. Deviation
Mean
95% Confidence Interval of the Difference
Std. Error Mean
Lower Pair 1
sebelum perendaman sesudah perendaman
-.0050
.02321
.00734
-.0216
t
df
Sig. (2tailed)
Upper .0116
-.681
9
.513
● 60 menit Paired Samples Statistics Mean Pair 1
N
Std. Deviation
Std. Error Mean
sebelum perendaman
.0790
10
.01287
.00407
sesudah perendaman
.0940
10
.02914
.00921
Paired Samples Correlations N Pair 1
sebelum perendaman & sesudah perendaman
Correlation 10
Sig.
.071
.845
Paired Samples Test
Mean Pair 1
sebelum perendaman sesudah perendaman
-.0150
Paired Differences 95% Confidence Interval of the Std. Std. Error Difference Deviation Mean Lower Upper .03100
