example char:
Thirgrin Battlehorn
Human
Fighter

I spent my 25 normal points on my base stats of 8's so that my stats look like this:
Str-15
Int-10
Cha-12
Wis-11
Dex-12
Con-13

I rolled a seven on my ancestral points.

My fighters stats are now:
Str-17
Int-12
Cha-12
Wis-11
Dex-13
Con-15