Topic: Two-Way Tables and Association

Worked Workshop on Association and Simpson’s Paradox

Why Pooled Proportions Are Weighted Averages

When Conditional Distributions Show Association

The Product Rule for Independent Table Cells

The Cross-Product Criterion for a 2×2 Table

Stratifying a Two-Way Table

Simpson’s Paradox in a Worked Example

Zero Cells and Sparse Categories

Row Conditional Distributions

Reporting Two-Way Table Results Clearly