Statistics at Square One

Statistics at Square One

Ninth Edition

T D V Swinscow

Revised by M J Campbell, University of Southampton

Copyright BMJ Publishing Group 1997

Contents

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 probability test

10 Rank score tests

11 Correlation and regression

12 Survival analysis

13 Study design and choosing a statistical test

via Statistics at Square One | BMJ.

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