3. An experimenter is studying the bioequivalence between 2 formulations of a drug product. This study will be conducted with 12 volunteers. The 2x2 crossover design (2 periods for 2 treatments) is the most common design for this purpose. (a) Outline the procedures of the 22 crossover design for the experimenter. (10%) (b) Write an appropriate statistical linear model for your design and give a skeleton ANOVA table (SOV and DF only). (10%)