The range of IQ in the people with moderate mental retardation is –

35 to 54
Explanation: IQ stands for Intelligence Quotient. It is a parameter that is used to identify the intelligence of a person. These parameters can vary from situation to situation. Moderate mental retardation is defined as the significantly subaverage intellectual ability. The range of IQ in people with moderate mental retardation is 35 – 40 to 50 – 55.