For each class you should look for a certain level of stats. Depending on the type of equipment you wish to use also. Here is a small guide line to check if your stats are decent, or just plain crappy.
Warrior: Most warriors go abs, most if not all. there are a few that go combo or defense (rarely).
17+ str
10+ int
10+ wil
10+ dex
17+ con
Ranger: Rangers are known to go dodge, combo, or abs. They can take about any eq well.
Abs Ranger -
17+ str
10+ int
10+ wil
10+ dex
17+ con
Combo Ranger -
17+ str
10+ int
10+ wil
16+ dex
17+ con
Dodge Ranger -
17+ str
10+ int
10+ wil
18+ dex
15+ con
Thief: Thief are rarely seen in anything but dodge.
15+ str
10+ int
10+ wil
18+ dex
15+ con
Channelers: Whether male or female, most channelers go dodge, because being hit can cause a weave to fail. Channelers are rarely seen in abs.