IQ range from high to low?

Answer:

Wechsler scale (SD 15):

IQ > 130 2% very high
IQ 120-130 8% high
IQ 110-120 15% above average
IQ 90-110 50% average
IQ 80-90 15% below average
IQ 70-80 8% low
IQ < 70 2% very low

First answer by ID1507344538. Last edit by ID1507344538. Question popularity: 3 [recommend question].