Topic: Comparing Groups and Handling Outliers

Investigating and Reporting an Unusual Observation

How Outliers Change Group Summaries

Dotplots for Comparing Small Groups

Deriving Tukey’s 1.5-IQR Fences

Comparing Group Summaries Before and After Transformation

Comparing Groups With Unequal Sample Sizes

Comparing Group Centers and Spreads

Comparing Five-Number Summaries Across Groups

Comparing Distribution Shapes Across Groups

Choosing Summaries for a Group Comparison