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xviEstimating a Population Parameter 514 STATS applied! How long will I stay on hold? 515 Lesson 8.1 The Idea of a Confidence Interval / 516 Interpreting Confidence Intervals 517 Building a Confidence Interval: Point Estimate and Margin of Error 518 Using Confidence Intervals to Make Decisions 520 Your Turn Lesson 8.1 Have you ever traveled internationally? 520 Lesson 8.1 Exercises 521 Lesson 8.2 What Affects the Margin of Error? / 523 Interpreting Confidence Level 523 Factors That Affect the Margin of Error 526 What the Margin of Error Doesn%u2019t Account For 528 Your Turn Lesson 8.2 Did you keep your New Year%u2019s resolution? 529 Lesson 8.2 Exercises 529 Lesson 8.3 Estimating a Population Proportion / 532 Conditions for Estimating p 532 Determining Critical Values 533 Calculating a Confidence Interval for p 535 Your Turn Lesson 8.3 Do you know your government? 537 Lesson 8.3 Exercises 538 Lesson 8.4 Confidence Intervals for a Population Proportion / 540 Putting It All Together: The Four-Step Process for Confidence Intervals 540 Determining the Sample Size 542 Your Turn Lesson 8.4 Do you watch TV every day? 543 Lesson 8.4 Exercises 544 Lesson 8.5 Estimating a Population Mean / 546 Conditions for Estimating %u00b5 546 Determining Critical Values: The Problem of Unknown %u03c3 547 Calculating a Confidence Interval for %u00b5 553 Your Turn Lesson 8.5 What does an Oreo weigh? 555 Lesson 8.5 Exercises 556 Lesson 8.6 Confidence Intervals for a Population Mean / 559 The Normal/Large Sample Condition 559 Putting It All Together: Confidence Interval for a Population Mean 560 Your Turn Lesson 8.6 How tense are the video screens? 562 Lesson 8.6 Exercises 563STATS applied! RESOLVED 565 Chapter 8 Main Points / 566 Chapter 8 Review Exercises / 568 Chapter 8 Practice Test / 569 Chapter 8 Project / 571 See Yourself in Stats / 571 Chapter 8Contents%u00a9 Bedford, Freeman & Worth Publishers. For review purposes only. Do not distribute.