When different groups has different features, you should stratify them then do the analysis. This is a practice for identifying if the variable is a interaction term.

Análisis de correlación y conjetura de modelos matemáticos aplicados a la Radiación Solar y Precipitación. El documento integra visualizaciones, test de significancia y tabla de resumen.

In this assignment, I write a report on four important statistical distributions. These include the Normal distribution, the t distribution, the Chi-Square distribution, and the F distribution. I discuss the similarities and distinctions between these various distributions along with their properties and assumptions.