Is it actually needed the t-student test for two independent samples when assuming the same variances?
In this paper we review the behavior of the type I error rate of Student’s t-test and Welch-Sattetthwaite test for comparing two means with independent samples from normal populations under the assumption of homogeneity of variances and under conditions of heteroscedasticity. The results, obtained b...
| Autores Principales: | , |
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| Formato: | Artículo (Article) |
| Lenguaje: | Español (Spanish) |
| Publicado: |
Universidad Santo Tomás
2011
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/11634/24839 |