4. Uji Normalitas Postes Kelompok Eksperimen Explore
Case Processing Summary
Cases Valid
Missing Total
N Percent
N Percent
N Percent
Postes Eksperimen 32
100,0 0,0
32 100,0
Descriptives
Statistic Std. Error
Postes Eksperimen Mean
77,28 ,591
95 Confidence Interval for Mean
Lower Bound 76,08
Upper Bound 78,49
5 Trimmed Mean 77,39
Median 78,00
Variance 11,176
Std. Deviation 3,343
Minimum 70
Maximum 83
Range 13
Interquartile Range 4
Skewness -,505
,414 Kurtosis
-,136 ,809
Tests of Normality
Kolmogorov-Smirnov
a
Shapiro-Wilk Statistic
df Sig.
Statistic df
Sig. Postes Eksperimen
,132 32
,168 ,957
32 ,226
LAMPIRAN 6: UJI HOMOGENITAS 1. Uji Homogenitas Pretes
Oneway
Descriptives
Nilai Pretes Menulis Deskripsi Eksperimen
Kontrol Total
N 32
32 64
Mean 71,31
70,75 71,03
Std. Deviation 4,768
4,565 4,639
Std. Error ,843
,807 ,580
95 Confidence Interval for Mean
Lower Bound 69,59
69,10 69,87
Upper Bound 73,03
72,40 72,19
Minimum 61
63 61
Maximum 78
79 79
Test of Homogeneity of Variances
Nilai Pretes Menulis Deskripsi Levene Statistic
df1 df2
Sig. ,014
1 62
,906
ANOVA
Nilai Pretes Menulis Deskripsi Sum of Squares
df Mean Square
F Sig.
Between Groups 5,063
1 5,063
,232 ,631
Within Groups 1350,875
62 21,788
Total 1355,937
63
2. Uji Homogenitas Postes Oneway
Descriptives
Nilai Postes Menulis Deskripsi Eksperimen
Kontrol Total
N 32
32 64
Mean 77,28
71,59 74,44
Std. Deviation 3,343
3,481 4,436
Std. Error ,591
,615 ,555
95 Confidence Interval for Mean
Lower Bound 76,08
70,34 73,33
Upper Bound 78,49
72,85 75,55
Minimum 70
65 65
Maximum 83
78 83
Test of Homogeneity of Variances
Nilai Postes Menulis Deskripsi Levene Statistic
df1 df2
Sig. ,173
1 62
,679
ANOVA
Nilai Postes Menulis Deskripsi Sum of Squares
df Mean Square
F Sig.
Between Groups 517,563
1 517,563
44,433 ,000
Within Groups 722,188
62 11,648
Total 1239,750
63
LAMPIRAN 7: UJI-T BEBAS 1. Uji-t Bebas Pretes
T-Test
Group Statistics
Kelompok N
Mean Std. Deviation
Std. Error Mean Uji-t Sampel Bebas
Pretes Eksperimen
32 71,31
4,768 ,843
Kontrol 32
70,75 4,565
,807
Independent Samples Test
Uji-t Sampel Bebas Pretes Equal variances
assumed Equal variances
not assumed Levenes Test for
Equality of Variances F
,014 Sig.
,906 t-test for Equality of
Means t
,482 ,482
df 62
61,882 Sig. 2-tailed
,631 ,631
Mean Difference ,563
,563 Std. Error Difference
1,167 1,167
95 Confidence Interval of the Difference
Lower -1,770
-1,770 Upper
2,895 2,895
2. Uji-t Bebas Postes T-Test