test_of_homogeneity_of_variances
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| test_of_homogeneity_of_variances [2016/06/07 03:42] – created hkimscil | test_of_homogeneity_of_variances [2016/06/08 08:49] (current) – hkimscil | ||
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| - | < | + | data file: {{: |
| - | writing score | + | DV: write writing score |
| - | Levene Statistic df1 df2 Sig. | + | IV: type of school (academic/ |
| - | 1.726 2 197 .181 | + | |
| - | </code> | + | |
| < | < | ||
| Line 17: | Line 15: | ||
| Total 200 52.7750 9.47859 .67024 51.4533 54.0967 31.00 67.00 | Total 200 52.7750 9.47859 .67024 51.4533 54.0967 31.00 67.00 | ||
| </ | </ | ||
| + | 이 때 **homogeneity of variance** test는 \\ \\ | ||
| + | H1: $\sigma^2_{\text{academic}} \neq \sigma^2_{\text{general}} \neq \sigma^2_{\text{vocati}}$ \\ | ||
| + | H0: $\sigma^2_{\text{academic}} = \sigma^2_{\text{general}} = \sigma^2_{\text{vocati}}$ | ||
| + | < | ||
| + | writing score | ||
| + | Levene Statistic df1 df2 Sig. | ||
| + | 1.726 2 197 .181 | ||
| + | </ | ||
| + | Sig. (p value)가 .05보다 작지 않으므로 영가설 부정에 실패. **즉, 세 그룹 간 variance에 차이가 없다고 이야기 할 수 있다.** | ||
| + | <WRAP box info> | ||
| + | 프로그램 별로 라이팅능력에 차이가 있는 것으로 나타났다 (F(2,197) = 21.275, p < 0.001). | ||
| + | </ | ||
test_of_homogeneity_of_variances.1465270958.txt.gz · Last modified: by hkimscil