1. Introduction 2. The frequency distribution 3. Synbolic representation of data 4. Percentile ranks and percentiles 5. Averages indexes of location 6. Measures of variability 7. Standard scores 8. The normal curve 9. Introduction to sampling theory 10. Tsting statistical hypotheses 11. Internal estimation 12. Some small-sample theory and its application 13. Correlation 14. The prediction problem 15. Sampling-error theory for linear regression and correlation Glossary of symbols Selected formulas and rules Table