Everybody has worked for a tough boss. But is being a "tough boss" different for a woman than a man? Anecdotal, and scientific, research indicates yes. Men are "tough" bosses; women are "mean" ones, a fact that is a mix of perception and reality.
There will be bad bosses -- male and female. There will also be good bosses -- male and female. College graduates considering choosing a boss based on perception only serves to reinforce certain stereotypes.