Consider the arsenic concentration data in Exercise
Chapter 12, Problem 88E(choose chapter or problem)
Consider the arsenic concentration data in Exercise 12-16.
(a) Discuss how you would model the information about the person’s sex.
(b) Fit a regression model to the arsenic in nails using age, drink use, cook use, and the person’s sex as the regressors.
(c) Is there evidence that the person’s sex affects arsenic in the nails? Why?
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