| 1 | Types and properties of numerical data | 1 |
| 2 | Mensuration | 20 |
| 3 | Frequency distribution and grouping | 31 |
| 4 | Patterns of frequency distributions | 48 |
| 5 | Measures of central tendency | 65 |
| 6 | Measures of dispersion and variability | 78 |
| 7 | Populations and samples | 96 |
| 8 | Probability and probability distributions | 117 |
| 9 | Confidence intervals | 148 |
| 10 | Comparisons of samples | 172 |
| 11 | Correlation and regression | 213 |
| 12 | The analysis of variance | 258 |
| 13 | Tests on frequencies | 306 |
| 14 | Graphic methods | 339 |
| 15 | Growth | 373 |