[ Other - Beauty & Style ] Open Question : How does the rating scale 1-10 work?

On a scale of 1-10 from UGLY OR BEAUTIFUL/ HOT how does it work? 0- Ugly 1- 2- 3- 4- 5- Average 6- 7- 8- 9- 10- & Please list the reason why for each of the number like . ex: 0- Ugly - Unclear skin, fat, etc ( no offense, just an example)

Source: http://answers.yahoo.com/question/index?qid=20110502215857AA9aKGd

Charlie Sheen Lindsay Lohan Natalie Portman