Now that you have completed all of the activities in this chapter, use the concepts and techniques that you've learned to respond to these questions. Notice that these problems are continuations of the corresponding scenarios and questions posed at the end of Chapter 13. Each problem begins with a residual analysis to assess the conditions for inference.
Scenario: Return to the NHANES SRS data table.
Exclude and hide respondents under age 18 and all males, leaving only adult females. Perform a regression analysis for BMI and waist circumference for adult women, evaluate the OLS conditions for inference, and report your findings and conclusions.
If you can safely use this model, provide the 95% confidence interval for the slope and ...