9-3 Inferences About Two Means: Independent Samples (Explained in spanish)

This section presents methods for using sample data from two independent samples to test hypotheses made about two population means or to construct confidence interval estimates of the difference between two population means.
Esta sección presenta métodos para usar datos de muestra de dos muestras independientes para probar hipótesis sobre dos medias poblacionales o para construir estimaciones de intervalo de confianza de la diferencia entre dos medias poblacionales.