M10 - Comparing Two Groups

By the end of this module, you should be able to:

• Describe a matched pairs situation and the advantage of using matched pairs.
• Carry out a statistical test for means and a confidence interval for difference in means in matched pairs situations.
• Identify situations when it is appropriate to apply methods for comparing proportions or means from two independent samples.
• Construct confidence intervals for differences in proportions and means from two independent samples.
• Carry out statistical tests for equality of proportions and means from two independent samples,
• Identify a situation for which it is appropriate to carry out a sign test, carry out the test and interpret the results.

Topics covered in this module

Learning resources:

1. Data Used in this Module
2. ‎Matched Pairs (video)
3. Comparing Two Proportions (video)
4. Comparing Two Means (video)
5. The Sign Test for Matched Pairs (video)
6. Optional: Guide to carrying out the analysis in this module using R (pdf)
7. Optional: Additional guide to carrying out the analysis in this module using R for The Sign Test (pdf)