Chapter 7: Estimation ...................................................................................................... 325
Large Sample Estimation of a Population Mean ..................................................................................... 326
Small Sample Estimation of a Population Mean ..................................................................................... 340
Large Sample Estimation of a Population Proportion............................................................................351
Sample Size Considerations ...................................................................................................................... 362
Chapter 8: Testing Hypotheses....................................................................................... 372
The Elements of Hypothesis Testing........................................................................................................ 373
Large Sample Tests for a Population Mean ............................................................................................. 388
The Observed Significance of a Test ........................................................................................................ 400
Small Sample Tests for a Population Mean ............................................................................................. 413
Large Sample Tests for a Population Proportion....................................................................................427
Chapter 9: Two-Sample Problems ................................................................................. 443
Comparison of Two Population Means: Large, Independent Samples .................................................444
Comparison of Two Population Means: Small, Independent Samples .................................................466
Comparison of Two Population Means: Paired Samples........................................................................ 481
Comparison of Two Population Proportions........................................................................................... 500
Sample Size Considerations ...................................................................................................................... 519
Chapter 10: Correlation and Regression...................................................................... 531
Linear Relationships Between Variables ................................................................................................. 532
The Linear Correlation Coefficient........................................................................................................... 541
Modelling Linear Relationships with Randomness Present .................................................................. 555
The Least Squares Regression Line .......................................................................................................... 560
Statistical Inferences About ?1 ................................................................................................................. 581
The Coefficient of Determination............................................................................................................. 596
Estimation and Prediction ........................................................................................................................ 606
A Complete Example.................................................................................................................................. 618
Formula List................................................................................................................................................ 629
Chapter 11: Chi-Square Tests and F-Tests ................................................................... 631
Chi-Square Tests for Independence ......................................................................................................... 632
Chi-Square One-Sample Goodness-of-Fit Tests.......................................................................................650
F-tests for Equality of Two Variances...................................................................................................... 664
F-Tests in One-Way ANOVA ...................................................................................................................... 687
Appendix............................................................................................................................. 702
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