Weights of adult men and women in the US are normally distributed. The distribution of adult male weights has a mean of 200 lbs and a standard deviation of 9 lbs. The distribution of adult female weights has a mean of 170 lbs and a standard deviation of 7 lbs. Andy is a man who weighs 213 lbs and Anne is a woman who weighs 178 lbs. Who is heavier (relatively)? Justify your answer using Z-scores.