Chapter 5: Statistical Inference I: Confidence Intervals    161
The Statistical Inference Process    161
Management Scenarios and Data Sets    162
General Principles of Confidence Intervals    164
Confidence Intervals on an Unknown Population Mean    171
Confidence Intervals on an Unknown Population Proportion    178
Determining the Sample Size    181
     Sample Size for Forecasting a Close Election
Skip Confidence Intervals on Unknown Population Variance    184
Key Ideas and Overview    189
Exercises    191
Appendices    202


Chapter 6:
Statistical Inference II: Hypothesis Testing on One Population Parameter    205

Introduction    205
Management Scenarios and Data Sets    206
Hypothesis Testing on One Population Mean    208
Skip Small Sample 223
Skip Hypothesis Testing on One Population Proportion 229
Key Ideas and Summary    233
Exercises    233
Appendices    244