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xixInference for Distributions and Relationships Between Two Variables 720 STATS applied! Does background music influence what customers buy? 721 Lesson 11.1 Testing the Distribution of a Categorical Variable in a Population / 722 Stating Hypotheses 723 Calculating Expected Counts 725 Calculating the Chi-Square Test Statistic 726 Your Turn Lesson 11.1 Are fruit flies predictable? 728 Lesson 11.1 Exercises 729 Lesson 11.2 Chi-Square Tests for Goodness of Fit / 732 Conditions for a Chi-Square Test for Goodness of Fit 732 Calculating the P- Value 733 Putting It All Together: The Chi-Square Test for Goodness of Fit 738 Your Turn Lesson 11.2 Is each shape of nugget equally likely? 740 Lesson 11.2 Exercises 740 Lesson 11.3 Testing the Relationship Between Two Categorical Variables / 744 Stating Hypotheses 745 Calculating Expected Counts 747 Calculating the Chi-Square Test Statistic 749 Your Turn Lesson 11.3 Does your extended family live close by? 750 Lesson 11.3 Exercises 751 Lesson 11.4 Chi-Square Tests for Association / 754 Conditions for a Chi-Square Test for Association 754 Calculating the P- Value 756 Putting It All Together: Chi-Square Test for Association 760 Your Turn Lesson 11.4 Should angry people go to the sauna? 761 Lesson 11.4 Exercises 762 Lesson 11.5 Confidence Intervals for the Slope of a Population Regression Line / 766 Conditions for Inference about %u03b2 769 Calculating a Confidence Interval for %u03b2 772 Putting It All Together: Confidence Interval for the Slope of a Population Regression Line 775 Your Turn Lesson 11.5 How fit can you get? 776 Lesson 11.5 Exercises 777 Lesson 11.6 Significance Tests about the Slope of a Population Regression Line / 782 Stating Hypotheses 783 Calculating the Test Statistic and P -Value 785 Putting It All Together: Significance Test about the Slope of a Population Regression Line 788 Your Turn Lesson 11.6 Do beavers benefit beetles? 790 Lesson 11.6 Exercises 791STATS applied! RESOLVED 794Chapter 11 Main Points / 795 Chapter 11 Review Exercises / 797 Chapter 11 Practice Test / 798 Chapter 11 Project / 801 See Yourself in Stats / 801 Chapter 11Contents%u00a9 Bedford, Freeman & Worth Publishers. For review purposes only. Do not distribute.