1. Introduction.- Part 1: I. Univariate Statistics.- 2. Concepts, Analysis Unit and Scales.- 3. Indices.- 4. Univariate Statistics.- 5. Distributions, Graphics and Quarto Markdown.- 6. Probability Theory and Random Samples.- 7. Test Theory, Inferential Statistics and Hypotheses.- Part II: Bivariate Statistics.- 8. Correlations of two variables.- 9. Theory of Hypothesis Testing.- 10. Univariate Linear Regression.- Part III: Multivariate Statistics.- 11. Multiple Linear Regression.- 12. Transformations, Interaction and Mediation.- 13. Uncertainty.- 14. Causality.- 15. Maximum Likelihood.- Part IV: Advanced Models.- 16. Advanced Models.- 17. Time Series Analysis.- 18. Panel Analysis.- 19. Logistic Regression.- 20. Event Count Models.- 21. Ordinal Logistic Regression.- 22. Multinomial Logistic Regression.- 23. Writing a Scientific Paper.