Uji Normalitas Posttest Kelompok Kontrol Uji Normalitas Posttest Kelompok Eksperimen

113 Test of Homogeneity of Variances nilai pretest kelompok kontrol dan eksperimen Levene Statistic df1 df2 Sig. .140 1 62 .710 ANOVA nilai pretest kelompok kontrol dan eksperimen Sum of Squares df Mean Square F Sig. Between Groups 123.766 1 123.766 1.419 .238 Within Groups 5406.969 62 87.209 Total 5530.734 63 2. Uji Homogenitas Posttest Kelompok Kontrol dan Kelompok Eksperimen Descriptives nilai posttest kelompok kontrol dan eksperimen N Mean Std. Deviation Std. Error 95 Confidence Interval for Mean Minimum Maximum Lower Bound Upper Bound kelompok kontrol 32 67.6562 9.32084 1.64771 64.2957 71.0168 53.00 83.00 kelompok ekspserimen 32 76.4688 7.69157 1.35969 73.6956 79.2419 60.00 90.00 Total 64 72.0625 9.56992 1.19624 69.6720 74.4530 53.00 90.00 114 Test of Homogeneity of Variances nilai posttest kelompok kontrol dan eksperimen Levene Statistic df1 df2 Sig. 2.305 1 62 .134 ANOVA nilai posttest kelompok kontrol dan eksperimen Sum of Squares df Mean Square F Sig. Between Groups 1242.562 1 1242.562 17.017 .000 Within Groups 4527.188 62 73.019 Total 5769.750 63 Lampiran 9: Distribusi Frekuensi Sebaran Data 1. Distribusi Frekuensi Pretest Kelompok Eksperimen Statistics nilai pretestkelompok eksperimen N Valid 32 Missing Mean 66.7500 Std. Error of Mean 1.61894 Median 67.0000 Mode 57.00 a Std. Deviation 9.15811 Variance 83.871 Skewness .251 115 Std. Error of Skewness .414 Kurtosis -1.024 Std. Error of Kurtosis .809 Range 30.00 Minimum 53.00 Maximum 83.00 Sum 2136.00 Percentiles 10 54.2000 20 57.0000 25 60.0000 30 60.0000 40 63.0000 50 67.0000 60 69.4000 70 73.0000 75 73.0000 80 77.0000 90 80.0000 a. Multiple modes exist. The smallest value is shown nilai pretestkelompok eksperimen Frequency Percent Valid Percent Cumulative Percent Valid 53 3 9.4 9.4 9.4 57 4 12.5 12.5 21.9 60 4 12.5 12.5 34.4 63 4 12.5 12.5 46.9 67 4 12.5 12.5 59.4 70 3 9.4 9.4 68.8 73 3 9.4 9.4 78.1 77 2 6.2 6.2 84.4 80 3 9.4 9.4 93.8 83 2 6.2 6.2 100.0 Total 32 100.0 100.0 116 2. Distribusi Frekuensi Posttest Kelompok Eksperimen Statistics nilai posttest kelompok eksperimen N Valid 32 Missing Mean 76.4688 Std. Error of Mean 1.35969 Median 77.0000 Mode 73.00 a Std. Deviation 7.69157 Variance 59.160 Skewness -.063 117 Std. Error of Skewness .414 Kurtosis -.021 Std. Error of Kurtosis .809 Range 30.00 Minimum 60.00 Maximum 90.00 Sum 2447.00 Percentiles 10 67.9000 20 70.0000 25 70.7500 30 73.0000 40 73.0000 50 77.0000 60 77.0000 70 80.0000 75 80.0000 80 83.0000 90 89.1000 a. Multiple modes exist. The smallest value is shown nilai posttest kelompok eksperimen Frequency Percent Valid Percent Cumulative Percent Valid 60 2 6.2 6.2 6.2 67 1 3.1 3.1 9.4 70 5 15.6 15.6 25.0 73 6 18.8 18.8 43.8 77 6 18.8 18.8 62.5 80 5 15.6 15.6 78.1 83 2 6.2 6.2 84.4 87 2 6.2 6.2 90.6 90 3 9.4 9.4 100.0 118 nilai posttest kelompok eksperimen Frequency Percent Valid Percent Cumulative Percent Valid 60 2 6.2 6.2 6.2 67 1 3.1 3.1 9.4 70 5 15.6 15.6 25.0 73 6 18.8 18.8 43.8 77 6 18.8 18.8 62.5 80 5 15.6 15.6 78.1 83 2 6.2 6.2 84.4 87 2 6.2 6.2 90.6 90 3 9.4 9.4 100.0 Total 32 100.0 100.0 119

3. Distribusi Frekuensi Pretest Kelompok Kontrol

Statistics nilai pretest kelompok kontrol N Valid 32 Missing Mean 63.9688 Std. Error of Mean 1.68214 Median 63.0000 Mode 70.00 a Std. Deviation 9.51564 Variance 90.547 Skewness .040 Std. Error of Skewness .414 Kurtosis -1.013 Std. Error of Kurtosis .809 Range 33.00 Minimum 50.00 Maximum 83.00 Sum 2047.00 Percentiles 10 50.0000 20 53.0000 25 54.0000 30 57.0000 40 60.6000 50 63.0000 60 69.4000 70 70.0000 75 72.2500 80 73.0000 90 75.8000 a. Multiple modes exist. The smallest value is shown 120 nilai pretest kelompok kontrol Frequency Percent Valid Percent Cumulative Percent Valid 50 4 12.5 12.5 12.5 53 4 12.5 12.5 25.0 57 2 6.2 6.2 31.2 60 3 9.4 9.4 40.6 63 4 12.5 12.5 53.1 67 2 6.2 6.2 59.4 70 5 15.6 15.6 75.0 73 5 15.6 15.6 90.6 77 1 3.1 3.1 93.8 80 1 3.1 3.1 96.9 83 1 3.1 3.1 100.0 Total 32 100.0 100.0 121

4. Distribusi Frekuensi Posttest Kelompok Kontrol

Statistics nilai posttest kelompok kontrol N Valid 32 Missing Mean 67.6562 Std. Error of Mean 1.64771 Median 67.0000 Mode 60.00 Std. Deviation 9.32084 Variance 86.878 Skewness .174 Std. Error of Skewness .414 Kurtosis -1.047 Std. Error of Kurtosis .809 Range 30.00 Minimum 53.00 Maximum 83.00 Sum 2165.00 Percentiles 10 54.2000 20 60.0000 25 60.0000 30 60.0000 40 63.0000 50 67.0000 60 70.0000 70 73.0000 75 76.0000 80 78.2000 90 82.1000 122 nilai posttest kelompok kontrol Frequency Percent Valid Percent Cumulative Percent Valid 53 3 9.4 9.4 9.4 57 2 6.2 6.2 15.6 60 5 15.6 15.6 31.2 63 4 12.5 12.5 43.8 67 4 12.5 12.5 56.2 70 3 9.4 9.4 65.6 73 3 9.4 9.4 75.0 77 2 6.2 6.2 81.2 80 3 9.4 9.4 90.6 83 3 9.4 9.4 100.0 Total 32 100.0 100.0 123 Lampiran 10: Uji-t Sampel Bebas Kelompok Kontrol dan KelompokEksperimen

1. Uji-t Sampel Bebas Pretest Kelompok Kontrol dan Kelompok

Eksperimen Group Statistics kelompok N Mean Std. Deviation Std. Error Mean nilai pretest kelompok kontrol dan eksperimen pretest kontrol 32 63.9688 9.51564 1.68214 pretest eksperimen 32 66.7500 9.15811 1.61894 Independent Samples Test Levenes Test for Equality of Variances t-test for Equality of Means F Sig. t df Sig. 2- tailed Mean Differen- ce Std. Error Differen- ce 95 Confidence Interval of the Difference Lower Upper nilai pretest kelompok kontrol dan eksperimen Equal variances assumed .140 .710 -1.191 62 .238 -2.78125 2.33465 -7.44814 1.88564 Equal variances not assumed -1.191 61.909 .238 -2.78125 2.33465 -7.44828 1.88578