Statistics at Square One

Preface

1 Data display and summary

2 Mean and standard deviation

3 Populations and samples

4 Statements of probability and confidence intervals

5 Differences between means: type I and type II errors and power

6 Differences between percentages and paired alternatives

7 The t tests

8 The chi-squared tests

9 Exact probabilty test

10 Rank score tests

11 Correlation and regression

12 Survival analysis

13 Study design and choosing a statistical test

Copyright BMJ Publishing Group 1997