A First Course in Statistics, 12th Edition

7 Comparing Population Means

Contents

1. 7.1 Identifying the Target Parameter

2. 7.2 Comparing Two Population Means: Independent Sampling

3. 7.3 Comparing Two Population Means: Paired Difference Experiments

4. 7.4 Determining the Sample Size

5. 7.5 A Nonparametric Test for Comparing Two Populations: Independent Sampling (Optional)

6. 7.6 A Nonparametric Test for Comparing Two Populations: Paired Difference Experiments (Optional)

7. 7.7 Comparing Three or More Population Means: Analysis of Variance (optimal)

Where We’ve Been

• Explored two methods for making statistical inferences: confidence intervals and tests of hypotheses

• Studied confidence intervals ...