Chapter 13. Tests for Independence

  • 13.1 Statistical Independence of Two Nominal Variables 340

    • 13.1.1 Introduction 340

    • 13.1.2 Review of Conditional Probability and Independent Events 341

    • 13.1.3 Statistical Hypotheses of Independence of Two Nominal Variables 345

    • 13.1.4 Example 1: Executive Transfers 346

  • 13.2 Stratification in Cross-Classified Data 352

    • 13.2.1 What Is Stratification of Cross-Classified Data? 352

    • 13.2.2 Example 1: Consumer Preference of Two Cola Brands 353

    • 13.2.3 Example 2: On-Time Performance of Package Delivery Companies 357

    • 13.2.4 Example 3: Mortality after a High-Risk Procedure in Two Hospitals 362

  • 13.3 Summary 364

  • 13.4 Problems 364

  • 13.5 Case Study: Financial Management Customer Satisfaction Survey 366

  • 13.6 References 367

13.1 Statistical Independence ...

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