A First Course in Statistics, 12th Edition

6 Inferences Based on a Single Sample

Tests of Hypothesis

Contents

1. 6.1 The Elements of a Test of Hypothesis

2. 6.2 Formulating Hypotheses and Setting Up the Rejection Region

3. 6.3 Observed Significance Levels: p-Values

4. 6.4 Test of Hypothesis about a Population Mean: Normal (z) Statistic

5. 6.5 Test of Hypothesis about a Population Mean: Student’s t-Statistic

6. 6.6 Large-Sample Test of Hypothesis about a Population Proportion

7. 6.7 Test of Hypothesis about a Population Variance (Optional)

8. 6.8 A Nonparametric Test about a Population Median (Optional)

Where We’ve Been

• Used sample information to provide a point estimate of a population parameter