<prompt> IQ is calculated byMental agechronological age x 100Mental age - chronological age x 100Chronological agemental age x 100Chronological age - mental age x 100  <response>: IQ mental age chronological age x 100Idiot: 0-24Imbecile: 25-49Moron: 50-69Borderline: 70-79Low normal: 80-89Normal: 90-109Superior: 110-119Very superior 120-139Near genius 140 and over Park 23e pg: 679 