Comparing Two Groups

By the end of this module, learners 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.

Topics covered in this module

Expected time to complete the learning resources in this module: 1.5 hours

Learning resources:

  1. Data Used in this Module
  2. ‎Matched Pairs (video)
  3. Comparing Two Proportions (video)
  4. Comparing Two Means (video)
  5. Guide to carrying out the analysis in this module using R (pdf)
  6. Guide to carrying out the analysis in this module using SPSS (pdf)