Copy of ANOVA

Understand the basic concepts of ANOVA to prove that there is a difference in averages with more than two samples. Compare the variance between groups vs the variance within groups. Comprender los conceptos básicos del procedimiento ANOVA para prueba de igualdad de medias con más de dos grupos Variabilidad ente grupos Variabilidad intragrupos
How does the variance between groups and variance within groups affect the F score? ¿Que efecto tiene la variabilidad entre e intra grupos?