# A researcher needs to assess the efficacy of 3 drugs on appetite control (number # of minutes before one feels hungry again after lunch). The half-life of the drugs # is about 2 hours. Seven human subjects differ in age, gender, appetite, degree # of obesity and potentially many other ways, and the researcher decided to use # randomized complete block design and administer the drugs on Monday in three # consecutive weeks. For each subject, he randomized the three drugs into the three # Mondays # Subj. Week1 Week 2 Week 3 # 1 Drug2 Drug1 Drug3 # 2 Drug1 Drug3 Drug2 # 3 Drug2 Drug3 Drug1 # 4 Drug3 Drug1 Drug2 # 5 Drug1 Drug2 Drug3 # 6 Drug3 Drug2 Drug1 # 7 Drug2 Drug1 Drug3 NumMin Subject Drug 164 1 1 202 2 1 143 3 1 210 4 1 228 5 1 173 6 1 161 7 1 152 1 2 181 2 2 136 3 2 194 4 2 219 5 2 159 6 2 157 7 2 178 1 3 222 2 3 156 3 3 216 4 3 245 5 3 182 6 3 165 7 3