Question - More on PA and BMI.
(a) What is the average BMI for a woman who averages 9500 steps per day?
(b) If an observed BMI at x = 9.5 were 22.8, what is the residual?
(c) Suppose that you want to use the estimated population regression line to examine the average BMI for a woman who averages 2000, 7000, 12,000, and 17,000 steps per day. Discuss the appropriateness of using the equation to predict BMI for each of these activity levels.