1. Introduction, 2. Diagrams, 3. Distributions, 4. Test of Goodness of Fit Independence and Homogeneity, 5. Test of Significance of Mean Differences of Mean and Regression Coefficients, 6. The Correlation Coefficient, 7. Intracless Correlations and the Analysis of Variance, 8. Further Applications of the Analysis of Variance, 9. The Principles of Statistical Estimation, 10. Sources Used for Data and Methods, 11. Bibliography, 12. Index.