Stat 539 Spring 2006 Homework 9 
due 4/20/06

Use the data from HW 8 to develop a complete model for probability of
contracting byssinosis from the predictor variables supplied.  How
does this compare with what you found using chi-squared tests?  Note
as with HW 8 that the data are grouped, so you will need a [fw= ]
specified with the model.