How many times did realignment of parties happen?

Explain trends in diversity within the U.S. military. Which of the four armed services have seen the greatest gains in representation of women and minorities?

Why have the U.S. military efforts to recruit more minorities and women been more successful with minorities than with women? Some have suggested that the role of women in the military should be expanded. How do they want to see the role of women expanded? Present the arguments for and against this suggestion.

Degrees of freedom are

A) Always equal to N-1. B) Always equal to N. C) The number of scores not free to vary. D) The number of scores free to vary.