CONTENTS ix Correlation and Regression 468 Where You’ve Been Where You’re Going 469 9.1 Correlation 470 Activity: Correlation by Eye 485 9.2 Linear Regression 486 Activity: Regression by Eye 496 Case Study: Correlation of Body Measurements 497 9.3 Measures of Regression and Prediction Intervals 498 9.4 Multiple Regression 509 Uses and Abuses: Statistics in the Real World 514 Chapter Summary 515 Review Exercises 516 Chapter Quiz 520 Chapter Test 521 Real Statistics—Real Decisions: Putting it all together 522 Technology: Nutrients in Breakfast Cereals 523 Chi-Square Tests and the F-Distribution 524 Where You’ve Been Where You’re Going 525 10.1 Goodness-of-Fit Test 526 10.2 Independence 536 Case Study: Food Safety Survey 548 10.3 Comparing Two Variances 549 10.4 Analysis of Variance 558 Uses and Abuses: Statistics in the Real World 570 Chapter Summary 571 Review Exercises 572 Chapter Quiz 576 Chapter Test 577 Real Statistics—Real Decisions: Putting it all together 578 Technology: Teacher Salaries 579 Cumulative Review: Chapters 9 & 10 580 9 10 PART 4 MORE STATISTICAL INFERENCE
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