Deskripsi Statistik Skor Prates Kelas Eksperimen Deskripsi Statistik Skor Pascates Kelas Kontrol Deskripsi Statistik Skor Pascates Kelas Eksperimen

131 Lampiran 7: Penghitungan Uji Normalitas Sebaran Data a. Penghitungan Uji Normalitas Sebaran Data Skor Prates Kelas Kontrol Case Processing Summary Cases Valid Missing Total N Percent N Percent N Percent prates kelompok kontrol 24 100.0 .0 24 100.0 Descriptives Statistic Std. Error prates kelompok kontrol Mean 27.1250 .46747 95 Confidence Interval for Mean Lower Bound 26.1580 Upper Bound 28.0920 5 Trimmed Mean 27.1296 Median 27.0000 Variance 5.245 Std. Deviation 2.29010 Minimum 23.00 Maximum 31.00 Range 8.00 Interquartile Range 2.75 Skewness .141 .472 Kurtosis -.611 .918 Tests of Normality Kolmogorov-Smirnov a Shapiro-Wilk Statistic df Sig. Statistic df Sig. prates kelompok kontrol .105 24 .200 .954 24 .329 a. Lilliefors Significance Correction . This is a lower bound of the true significance. 132 133

b. Penghitungan Uji Normalitas Sebaran Data Skor Prates Kelas Eksperimen

Case Processing Summary Cases Valid Missing Total N Percent N Percent N Percent skor prates kelompok eksperimen 25 100.0 .0 25 100.0 Descriptives Statistic Std. Error skor prates kelompok eksperimen Mean 27.8000 .63509 95 Confidence Interval for Mean Lower Bound 26.4892 Upper Bound 29.1108 5 Trimmed Mean 27.8222 Median 28.0000 Variance 10.083 Std. Deviation 3.17543 Minimum 21.00 Maximum 34.00 Range 13.00 Interquartile Range 3.50 Skewness -.209 .464 Kurtosis -.082 .902 Tests of Normality Kolmogorov-Smirnov a Shapiro-Wilk Statistic df Sig. Statistic df Sig. skor prates kelompok eksperimen .165 25 .077 .971 25 .661 a. Lilliefors Significance Correction 134 135

c. Penghitungan Uji Normalitas Sebaran Data Skor Pascates Kelas Kontrol

Case Processing Summary Cases Valid Missing Total N Percent N Percent N Percent pascates kelompok kontrol 24 100.0 .0 24 100.0 Descriptives Statistic Std. Error pascates kelompok kontrol Mean 29.2917 .53324 95 Confidence Interval for Mean Lower Bound 28.1886 Upper Bound 30.3948 5 Trimmed Mean 29.2685 Median 29.5000 Variance 6.824 Std. Deviation 2.61233 Minimum 25.00 Maximum 34.00 Range 9.00 Interquartile Range 3.50 Skewness .067 .472 Kurtosis -.582 .918 Tests of Normality Kolmogorov-Smirnov a Shapiro-Wilk Statistic df Sig. Statistic df Sig. pascates kelompok kontrol .143 24 .200 .952 24 .303 a. Lilliefors Significance Correction . This is a lower bound of the true significance. 136