1. Chapter 5: How Variables Classify Jointly: Contingency Tables

2. Binomial / Bernoulli Distribution 1654-1705

3. Binomial Formula

4. Excel Binomial Distribution

6. Cell Phone Quality Control Your company will be satisfied if only 1% of its phones fail to establish a connection with a cell tower that’s within reach. GoalSamplePrediction 100050? 1%4%? 102?

7. Understanding One-Way Pivot Tables

8. Using the BINOM.DIST() Function

9. Understanding Two-Way Pivot Tables

12. Cross-Tabulation Predictor Variables Outcome Variables Significance Testing gender income race hispanic education age employment parent Demographics Predictors: Mostly Categorical Continuous Categorical Party ID census region

13. Z-Test Proportions A chi-square test for equality of two proportions is exactly the same thing as a z -test.

16. Chi-Square vs. Z-Test Proporations