.9 Men's and Women's Heights. The heights of women aged 20-29 in the United States are approximately Normal with mean 64.2 inches and standard deviation 2.8 inches. Men the same age have mean height 69.4 inches with stan- dard deviation 3.0 inches. What are the z-scores for a woman 5.5 feet tall and man 5.5 feet tall? Say in simple language what information the z-scores give that the original nonstandardized heights do not. 6 a