A First Course in Statistics, 12th Edition

8 Comparing Population Proportions

Contents

1. 8.1 Comparing Two Population Proportions: Independent Sampling

2. 8.2 Determining the Sample Size

3. 8.3 Testing Categorical Probabilities: Multinomial Experiment

4. 8.4 Testing Categorical Probabilities: Two-Way (Contingency) Table

Where We’ve Been

• Presented both parametric and nonparametric methods for comparing two or more population means

Where We’re Going

• Discuss methods for comparing two population proportions. (8.1–8.2)

• Present a chi-square hypothesis test for comparing the category proportions associated with a single qualitative variable—called a one-way analysis (8.3)

• Present a chi-square ...