Lampiran 8 a.
Tabel Hasil Uji Normalitas Kadar BOD
One-Sample Kolmogorov-Smirnov Test
kadarbod Kadar Karbon Aktif Kulit
Singkong N
12 12
Normal Parameters
a,,b
Mean 447.550
2.50 Std. Deviation
360.7054 1.168
Most Extreme Differences Absolute
.228 .166
Positive .228
.166 Negative
-.194 -.166
Kolmogorov-Smirnov Z .788
.574 Asymp. Sig. 2-tailed
.564 .897
a. Test distribution is Normal. b. Calculated from data.
b. Tabel Uji Kesamaan Varians Kadar BOD
Test of Homogeneity of Variances
Kadarbod Levene Statistic
df1 df2
Sig. 7.529
3 8
.010
Universitas Sumatera Utara
c. Tabel Anova One Way
ANOVA
Kadarbod Sum of Squares
df Mean Square
F Sig.
Between Groups 1414458.330
3 471486.110
225.409 .000
Within Groups 16733.520
8 2091.690
Total 1431191.850
11
d. Tabel Uji Normalitas Kadar TSS
One-Sample Kolmogorov-Smirnov Test
Kadrtss N
12 Normal Parameters
a,,b
Mean 477.908
Std. Deviation 750.2424
Most Extreme Differences Absolute
.454 Positive
.454 Negative
-.286 Kolmogorov-Smirnov Z
1.572 Asymp. Sig. 2-tailed
.014 a. Test distribution is Normal.
b. Calculated from data.
Universitas Sumatera Utara
e. Tabel Uji Kesamaan Varians TSS
Test of Homogeneity of Variances
Kadrtss Levene Statistic
df1 df2
Sig. 2.515
3 8
.132
f. Tabel Anova One Way Kadar TSS
ANOVA
Kadrtss Sum of Squares
Df Mean Square
F Sig.
Between Groups 6191315.829
3 2063771.943
89505.451 .000
Within Groups 184.460
8 23.057
Total 6191500.289
11
Universitas Sumatera Utara
g. Koefisien Keragaman KK
KK1 = √ KTG x 100
KK2 = √ KTG x 100
ŷ ŷ =
√ 2091.690 x 100 = √ 23,057 x 100
447,550 477,908 = 10,22 = 1,004
Dimana : KTG : Kuadrat Tengah Galat
ŷ : Rerata seluruh data perlakuan
j. Hasil Uji Duncan terhadap Rata-rata Penurunan Kadar BOD
pada Berbagai Konsentrasi Karbon Aktif Kulit Singkong Menurut RAL
dalam Bagan Huruf dan Angka Bertanda
Konsentrasi karbon aktif
Rata-rata Berbeda Rerata Dengan
Notasi A
B C
D Kontrol 0
gr A 1013,200
- -
- A
1 gr B 150,000
863,2000 -
- B
2 gr C 197,000
816,0000 -47,2000
- C
3 gr D 429,000
583,4000 -279,8000 -
232,6000 D
Keterangan : Tanda = Berbeda nyata
Universitas Sumatera Utara
k. Hasil Uji Beda Nyata Jujur BNJ terhadap Rata-rata Penurunan Kadar