Just ask your self:
1) Do I want to become a fighter, mage, or mix?
2) If you chose mage, what way do you want to specialize in? Then look to see who has the most intelligence, wisdom, or charisma, depending on which ways (it tells you which skills are for which ways in the player guide). Choose one that has majority of stats in magic skills.
3) If fighter, Do you want to be fast and able to dodge more attacks, hit harder, or last longer. Then choose who has the most agility, strength, and endurance. Then choose one with the majority of the stats in the fighting skills.
4) If both, choose a character who is evenly spread, or leans a little to one side if you want.