File:Lynn RDI Table 16 2 Scatterplot.png

plotted data from Lynn's Race differences in intelligence

Table 16.2. Race differences in winter temperatures (degrees Celsius) and brain size
Race                   Winter Temp Wurm Temp Brain Size  IQ
Arctic Peoples         -15         -20       1,443       91
East Asians            -7          -12       1,416       105
Europeans              0           -5        1,369       99
Native Americans       7           5         1,366       86
S. Asian & N. Africans 12          7         1,293       84
Bushmen                15          15        1,270       54
Africans               17          17        1,280       67
Australians            17          17        1,225       62
Southeast Asians       24          24        1,332       87
Pacific Islanders      24          24        1,317       85

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