Does it support post-hoc tests?
This panel focuses on the omnibus F test. Export the group summaries to apply your preferred post-hoc comparison.
Step-by-step walkthrough
ANOVA Calculator Guide
Use this companion guide beside the interactive calculator to make sure you understand the “why” behind every click. Each section includes the classroom explanation, student-friendly language, and quick practice prompts.
Before you start
Collect the data points listed below and double-check their units. Keeping an organized “givens” list is one of the fastest ways to reduce math errors and impress exam graders.
- anova
- f-test
- variance analysis
Detailed procedure
Step 1
Enter each group on its own line with comma-separated values.
Step 2
Ensure each group contains at least two observations.
Step 3
Review SS, MS, degrees of freedom, F statistic, and p-value.
Teaching & troubleshooting tips
Can I mix group sizes?
Yes. Unequal group sizes are supported as long as each group has at least two observations.