I don't think it has got to do anything with the gender of a person. Administrators are administrators by virtue of their administrative acumen and abilities, some which are innate and some which are acquired from individual experience.
Both can equally perform when appropriate opportunities were created without any bias. You failed to include this third option in your poll, hence I could not vote there.
No one could post their comments under your poll because of some error on that page.
There was a group discussion contest on this subject over here two months back, in which I was declared as the winner.
Title:
"Do you think men and women equal in all aspects? If yes, why do you think so? If no, provide your reasons for it."
