viii CONTENTS Hypothesis Testing with One Sample 346 Where You’ve Been Where You’re Going 347 7.1 Introduction to Hypothesis Testing 348 7.2 Hypothesis Testing for the Mean (S Known) 363 7.3 Hypothesis Testing for the Mean (S Unknown) 377 Activity: HypothesisTests for a Mean 386 Case Study: Human BodyTemperature: What's Normal? 387 7.4 Hypothesis Testing for Proportions 388 Activity: HypothesisTests for a Proportion 393 7.5 Hypothesis Testing for Variance and Standard Deviation 394 A Summary of HypothesisTesting 402 Uses and Abuses: Statistics in the Real World 404 Chapter Summary 405 Review Exercises 406 Chapter Quiz 410 Chapter Test 411 Real Statistics—Real Decisions: Putting it all together 412 Technology: The Case of the Vanishing Women 413 UsingTechnology to Perform HypothesisTests 414 Hypothesis Testing with Two Samples 416 Where You’ve Been Where You’re Going 417 8.1 Testing the Difference Between Means (Independent Samples, S1 and S2 Known) 418 8.2 Testing the Difference Between Means (Independent Samples, S1 and S2 Unknown) 428 Case Study: How Protein Affects Weight Gain in Overeaters 436 8.3 Testing the Difference Between Means (Dependent Samples) 437 8.4 Testing the Difference Between Proportions 447 Uses and Abuses: Statistics in the Real World 454 Chapter Summary 455 Review Exercises 456 Chapter Quiz 460 Chapter Test 461 Real Statistics—Real Decisions: Putting it all together 462 Technology: Tails over Heads 463 UsingTechnology to PerformTwo-Sample HypothesisTests 464 Cumulative Review: Chapters 6–8 466 7 8
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