It’s not an exact science for starters so a +/- 5 points seems a likely margin, but I guess its just inside one “normality”. 125 would be at +1 and so on (just making example numbers here).
It’s not an exact science for starters so a +/- 5 points seems a likely margin, but I guess its just inside one “normality”. 125 would be at +1 and so on (just making example numbers here).