Uji Normalitas Postes Kelompok Eksperimen Explore Uji Homogenitas Postes Oneway

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