Pengaruh Penambahan Nilon Murni Pada Nilon Daur Ulang Terhadap Kekerasan Permukaan Basis Gigi Tiruan Nilon Termoplastik

Hasil Data Satistik

Tests of Normality
a

Kolmogorov-Smirnov
Sampel
Kekerasan

Statistic

Sampel A

df

.133

Sampel B
Sampel C

Sig.

9

.211

Statistic

Sig.

.941

9

.592

*

.861

9

.098

*

.923

9

.414

.200

9

df

*

.200

9

.150

Shapiro-Wilk

.200

a. Lilliefors Significance Correction
*. This is a lower bound of the true significance.

Descriptives
Kekerasan

N
Sampel A
Sampel B
Sampel C
Total

Mean
9
9
9
27

7.400000
6.266667
7.233333
6.966667

Std.
Deviation
.3411582
.3659083
.5112621
.6454972

95% Confidence Interval for
Mean

Std. Error Lower Bound Upper Bound Minimum Maximum
.1137194
.1219694
.1704207
.1242260

7.137763
5.985405
6.840343
6.711316

7.662237
6.547929
7.626324
7.222017

7.0000
5.5667
6.4000
5.5667

8.0667
6.6333
7.8333
8.0667

Test of Homogeneity of Variances
Kekerasan
Levene Statistic

df1

.926

df2
2

Sig.
24

.410

Salah satu syarat dalam menggunakan Anova adalah data menenuhi asumsi homogenitas.
Berdasarkan hasil uji homogenitas dengan uji Levene diketahui nilai p = 0,410 > 0,05,
maka data memenuhi asumsi homogenitas.

Universitas Sumatera Utara

ANOVA
Kekerasan
Sum of Squares
Between Groups
Within Groups
Total

Df

Mean Square

6.740

4.093

2
24

10.833

26

F

3.370
.171

19.759

Sig.
.000

Multiple Comparisons

Kekerasan
LSD
(I) Sampel
Sampel A
Sampel B
Sampel C

(J) Sampel

95% Confidence Interval

Mean Difference
(I-J)

Std. Error

Sig.

Lower Bound

Upper Bound

*

1.1333333

.1946824

.000

Sampel C

.1666667

.1946824

.400

-.235138

.568471

Sampel A

-1.1333333

*

.1946824

.000

-1.535138

-.731529

Sampel C

-.9666667

*

.1946824

.000

-1.368471

-.564862

Sampel A

-.1666667

.1946824

.400

-.568471

.235138

Sampel B

*

.1946824

.000

.564862

1.368471

Sampel B

.9666667

.731529

1.535138

*. The mean difference is significant at the 0.05 level.

Universitas Sumatera Utara

Universitas Sumatera Utara

Universitas Sumatera Utara

Universitas Sumatera Utara

Universitas Sumatera Utara