LAMPIRAN 1
DATA PRIBADI
Nama Lengkap
: Zanthorrhiza T.
Jenis Kelamin
: Perempuan
Tempat/Tanggal Lahir
: Medan/ 25 November 1988
Kewarganegaraan
: Indonesia
Agama
: Kristen
Status Perkawinan
: Belum menikah
Alamat
: Jl. Seroja 3 no.151 P.Helvetia
Telepon/HP
: 085262076895
: Tamps_riza@yahoo.com
PENDIDIKAN
1994-2000
: SD St.Thomas 1, Medan
2000-2003
: SMP Negeri 7, Medan
2003-2006
: SMA Negeri 12, Medan
2006-sekarang
: Fakultas Kedokteran Gigi Universitas Sumatera Utara
Medan, 26 Januari 2013
LAMPIRAN 3
Tests of Normality
Kolmogorov-Smirnova Shapiro-Wilk
Statistic Df Sig. Statistic df Sig.
.078 25 .200* .977 25 .827
.106 25 .200* .968 25 .599
Group Statistics
Kelompok N Mean Std. Deviation Std. Error Mean
Gray Scale A 25 89.4080 18.94607 3.78921
B 25 102.2456 17.18646 3.43729
Independent Samples Test
Levene's Test for Equality of
Variances t-test for Equality of Means
95% Confidence Interval of the Difference
F Sig. t df
Difference Lower Upper
Gray Scale Equal variances assumed
.539 .466 -2.509 48 .016 -12.83760 5.11597 -23.12394 -2.55126
Equal variances not assumed
Maksila
Group Statistics
Kelompok N Mean Std. Deviation Std. Error Mean
Gray_Scale Filter 5 117.0180 10.53874 4.71307
Tanpa Filter 5 112.4120 10.42025 4.66008
Independent Samples Test
Levene's Test for
Equality of Variances t-test for Equality of Means
95% Confidence Interval of the Difference
F Sig. t df
Sig. (2-tailed)
Mean Difference
Std. Error
Difference Lower Upper
Gray_Scale Equal variances assumed
.297 .600 .695 8 .507 4.60600 6.62792 -10.67801 19.89001
Equal variances not assumed
Mandibula
Group Statistics
Kelompok N Mean Std. Deviation Std. Error Mean
Gray Scale Filter 20 98.5525 16.67148 3.72786
Tanpa Filter 20 83.6570 16.01506 3.58108
Independent Samples Test
Levene's Test for
Equality of Variances t-test for Equality of Means
95% Confidence Interval of the Difference
F Sig. t df
Sig. (2-tailed)
Mean Difference
Std. Error
Difference Lower Upper
Gray Scale Equal variances assumed
.004 .952 2.882 38 .006 14.89550 5.16924 4.43092 25.36008
Equal variances not assumed