Correct Answer:
A. Below 90
Mentally retarded children typically have an IQ score below 70, which falls into the "Below 90" category. Scores of 90-110 are average, and higher ranges indicate above-average intelligence.
Mentally retarded children typically have an IQ score below 70, which falls into the "Below 90" category. Scores of 90-110 are average, and higher ranges indicate above-average intelligence.