rss
Emerg Med J 18:124-130 doi:10.1136/emj.18.2.124
  • An introduction to statistics

Article 6. An introduction to hypothesis testing. Parametric comparison of two groups—1

Table 1

Types of test of significance for two group comparison

Parametric Non-parametric
Quantitative Nominal
z test χ2 test
Paired Fisher exact test
Independent Ordinal
t test Wilcoxon rank sum test
Paired Mann-Whitney
Independent Kolmogorov-Smirnov

This Article

  1. Extract
  2. Full text
  3. PDF

Blogs and podcasts

Blogs and podcasts

Register for free content


Free sample
This recent issue is free to all users to allow everyone the opportunity to see the full scope and typical content of EMJ.
View free sample issue >>

Don't forget to sign up for content alerts so you keep up to date with all the articles as they are published.

Related editorial: Designing out violence and aggression >>