Suppose there are two medications, A and B, and each is given to both males and females. If the medication may operate differently in males and females, the equation with interaction term can be written as (suppose coding is Med A = 0, Med B =1, Male = 0, Female=1): = + ₁ + ₂ + ₃

Determine the possible models considering the categorical variable of Med, Sex, and their interaction

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