8.5 How do women fare in comparison with men in reaching
managerial positions in department store retailing? A sampling of
321 retail department store chains may help to answer this
question. The accompanying table gives the numbers of managers at
the upper, middle, and lower levels of management for 10,141 males
and 7,913 females. Do the data provide sufficient evidence to
indicate differences between males and females in the proportions
of each sex in the three levels of management? Test...