In addition to the variables in the model in Question 6 add sexBMICAT

In addition to the variables in the model in question

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10. In addition to the variables in the model in Question #6, add sex*BMI_CAT (categorical) at to investigate whether sex is an effect modifier of the association between BMI_CAT (categorical) and serum vitamin C level. You must add the interaction term at the end of the SAS code line where youspecify the model. The results of this question are sensitive to the order of covariates in the SAS code line where you specify the model. Do not use the sampling weights.Write out the model and 5
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; 11. Refit the model in Question #5, now using the sampling weights (exam_wt). Show the corresponding SAS code and the coefficient of BMI in this model. What is the purpose to use the sampling weights in the model? ; 6
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