Here's my experience. My daughter was a general 9.2ish scorer. Her highest was a 9.675 and her lowest was a 7.1 (level 4 vault got her that whole darn year

) but she generally ended up with a high 35 or low 36AA. She's just not a detailed oriented kind of gal.
One of the reasons she finally quit was that coaches were so angry at her for being so naturally talented but just not into perfection. Eh. What can ya do? (Tired of it all and being yelled at for not trying hard enough daily, she quit while training level 8 and went to T&T)
In levels 3 through 5 this got her a 3rd and 4th place, in levels 6 and 7 it moved her down to 6th and 7th place. Her teammates suddenly got really really good at details in optionals and were getting high 37s and 38s and they were getting 1st and 2nd.
So that is my personal analysis on what good vs great scores are and the difference they made at the podium. And it all had to do with the details.