B. Uji normalitas sebaran data
1. Pretest Kelas Kontrol
Case Processing Summary
Cases Valid
Missing Total
N Percent
N Percent
N Percent
uji normalitas pretest kontrol 33
100.0 .0
33 100.0
Descriptives
Statistic Std. Error
uji normalitas pretest kontrol Mean 19.1212
.38376 95 Confidence Interval for
Mean Lower Bound
18.3395 Upper Bound
19.9029 5 Trimmed Mean
19.1128 Median
19.0000 Variance
4.860 Std. Deviation
2.20451 Minimum
14.00 Maximum
24.00 Range
10.00 Interquartile Range
2.50 Skewness
.153 .409
Kurtosis .161
.798
Tests of Normality
Kolmogorov-Smirnov
a
Shapiro-Wilk Statistic
df Sig.
Statistic df
Sig. uji normalitas pretest kontrol
.133 33
.148 .972
33 .530
a. Lilliefors Significance Correction
2. Pretest Kelas Eksperimen
Case Processing Summary
Cases Valid
Missing Total
N Percent
N Percent
N Percent
uji normalitas pretest eksperimen
33 100.0
.0 33
100.0
Descriptives
Statistic Std. Error
uji normalitas pretest eksperimen
Mean 19.0909
.48337 95 Confidence Interval for
Mean Lower Bound
18.1063 Upper Bound
20.0755 5 Trimmed Mean
19.1566 Median
19.0000 Variance
7.710 Std. Deviation
2.77673 Minimum
14.00 Maximum
23.00 Range
9.00 Interquartile Range
4.00 Skewness
-.380 .409
Kurtosis -.800
.798
Tests of Normality
Kolmogorov-Smirnov
a
Shapiro-Wilk Statistic
df Sig.
Statistic df
Sig. uji normalitas pretest
eksperimen .118
33 .200
.939 33
.065 a. Lilliefors Significance Correction
3. Posttest Kelas Kontrol
Case Processing Summary
Cases Valid
Missing Total
N Percent
N Percent
N Percent
uji normalitas posttest kontrol 33
100.0 .0
33 100.0
Descriptives
Statistic Std. Error
uji normalitas posttest kontrol Mean 20.9394
.35871 95 Confidence Interval for
Mean Lower Bound
20.2087 Upper Bound
21.6701 5 Trimmed Mean
20.9882 Median
21.0000 Variance
4.246 Std. Deviation
2.06063 Minimum
17.00 Maximum
24.00 Range
7.00 Interquartile Range
3.50 Skewness
-.370 .409
Kurtosis -.816
.798
Tests of Normality
Kolmogorov-Smirnov
a
Shapiro-Wilk Statistic
df Sig.
Statistic df
Sig. uji normalitas posttest kontrol
.148 33
.064 .937
33 .057
a. Lilliefors Significance Correction
4. Posttest Kelas Eksperimen