IQ bell curve

MiaWiens 682 views 1 slides Jun 29, 2015
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IQ BELL CURVE



-3 -1 +2 +1 +3 -2
Standard Deviation
55 70 85 145 130 115
Mean
Deviation IQ Score
Retarded Borderline Low Average High Average Superior Gifted
99.7 %
95.4 %
68.29 %
0.01 2 16 99.9 98 84
Percentile
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