Intelligence IntervalCognitive Designation
40 - 54Severely challenged (Less than 1% of test takers)
55 - 69Challenged (2.3% of test takers)
70 - 84Below average
85 - 114Average (68% of test takers)
115 - 129Above average
130 - 144Gifted (2.3% of test takers)
145 - 159Genius (Less than 1% of test takers)
160 - 175Extraordinary genius


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