Topic: Unit 3: Inference for Categorical Data: Proportions

Using 2-PropZInt on the Calculator

Two-Tailed One-Proportion Test Example

Structure of a One-Proportion z-Interval

Statistical Conclusions and Possible Mistakes in Context

Simulating Randomization Differences for Two Proportions

Scope of Inference Based on How Data Were Collected

Running the Chi-Square Test on a Calculator

Observational Data and Limits on Generalization

Interpreting Calculator Output for a Proportion Test

Interpreting Association Versus Independence in a Table