Comparing Group Means: T-tests and One-way ANOVA
Fall 2007
- Introduction
- One Sample T-test
- Paired T-test: Dependent Samples
- Comparing Independent Samples with Equal Variances
- Comparing Independent Samples with Unequal Variances
- Comparison Using the One-way ANOVA, GLM, and Regression
- Comparing the Proportions of Binary Variables
- Conclusion
- Appendix
- References
This document summarizes the methods of comparing group means and illustrates how to conduct t-tests and one-way ANOVA using STATA 10, SAS 9.1, and SPSS 15.
