The fourth day of the FDP (20th July 2017) was marked by the presence of Professor Saurabh Agarwal. Under his able guidance the faculty continued to learn Parametric and Non Parametric tests. The day focused on Multiple Regression Models, R Square, Adjusted R Square, Explained Variance and Unexplained Variance, F Ratio, Unstandardized and Standardized Beta. He also undertook an exercise based discussion on Assumptions of Multiple Regression Model, Heteroscedasticity, Autocorrelation and Multicollinearity. Dummy Regression Models, ANOVA, ANCOVA and Logistic Regression was also discussed intricately.