We Could Have Been Exploring the Galaxy by Now..
The graph shown above relates the arithmetic mean IQ measured in various country’s populations, to the fraction of each country’s population that believes religion is very important. The green diamonds represent individual countries; the yellow line is a linear regression (y = mx + b), calculated by the least squares method. The United States data point is circled in red. TK Solver was used to create the graph from the data listed in the table below: 
Country Percent who say religion is very important
(Pew survey)IQ
(from Lynn & Vanhanen)Angola 80 69 Argentina 39 96 Bangladesh 88 81 Bolivia 66 85 Brazil 77 87 Bulgaria 13 93 Canada 30 97 Czech Republic 11 97 France 11 98 Germany 21 102 Ghana 84 71 Great Britain 33 100 Guatemala 80 79 Honduras 72 84 India 92 81 Indonesia 95 89 Italy 27 102 Ivory Coast 91 71 Japan 12 105 Kenya 85 72 Mali 90 68 Mexico 57 87 Nigeria 92 67 Pakistan 91 81 Peru 69 90 Philipines 88 86 Poland 36 99 Russia 14 96 Senegal 97 64 Slovakia 29 95 South Africa 87 72 South Korea 25 106 Tanzania 83 72 Turkey 65 90 United States 59 98 Uganda 85 73 Ukraine 35 96 Uzbekistan 35 87 Venezuela 61 88 Vietnam 24 96
