Chi-squared test
Chi-squared test
Interpretar el estudio y extraer conclusiones de los datos
Sesgo, confusión y amenazas a la validez
Causalidad
Aspectos destacados
en inglés
The chi-squared test is a statistical method used to test the independence of two categorical variables. The chi-squared statistic is calculated as the sum of the squared differences between the observed and expected frequencies for each category, divided by the number of degrees of freedom.