Acknowledgements; 1. Why do we need statistics?; 2. Measures of central tendency; 3. Measures of dispersion; 4. The normal distribution; 5. Probability; 6. What are statistical tests all about?; 7. Hypotheses; 8. Significance; 9. Simple statistical tests; 10. What’s in a number; 11. Two parametric tests; 12. Tests of goodness of fit; 13. The design of experiments; 14. Sampling; 15. Correlation; 16. In the last analysis …; 17. Operation schedules; Answers to exercises; Appendix; Index.