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Old 06-24-2007, 12:21 AM  
Fap
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Mild Mental Retardation
About 85% of persons that are Mental Retarded fall into this group.
IQ level 50-55 up to about 70

Moderate Mental Retardation
About 10% of persons that are Mental Retarded fall into this group.
IQ level 35-40 to 50-55

Sever Mental Retardation
About 3% to 4% of persons that are Mental Retarded fall into this group.
IQ level 20-25 to 35-40

Profound Mental Retardation
About 1% to 2% of persons that are Mental Retarded fall into this group.
IQ level below 20 or 25

So some countries are mentally retarded on average?
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