Contents: 1. Introduction: Aim, Scope and Limitations 2. Classification and Tabulation 3. Diagrams and Graphs 4. Measures of Central Tendency 5. Measures of Dispersion 6. Probability 7. Random Variable, Expectation, Moments, Skewness and Kurtosis 8. Probability Distributions 9. Testing of Hypothesis 10. Tests Based on Chi-square Distribution 11. Correlation Analysis 12. Regression Analysis 13. Multiple and Partial Correlation 14. Sampling Theory 15. Basic Experimental Designs 16. Non-Parametric Tests . 17. Interpolation and Extrapolation 18. Time Series Analysis 19. Index Numbers