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Strength of correlation (R squared): 0.465 (this correlation is weak)
Outliers:
Saudi Arabia,
Japan,
Netherlands
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X Axis |
Y Axis |
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| Variable: |
Transportation > Vehicle abundance |
Military > US military exports |
| Plot Display: |
Logarithmic (base 10) |
Logarithmic (base 10) |
| Definition: |
Vehicles per populated land area
Units: Vehicles/Populated Land Area (in km2)
Units: Air pollution is generally greatest in densely populated areas. To take this into account, we used the Gridded Population of the World dataset available from CIESIN and calculated the total land area in each country inhabited with a population density of greater than 5 persons per sq. km. We then utilized this land area as the denominator for the vehicles data. |
U.S. Military Exports, for the year 1998 (in thousands of US dollars) |
| Source: |
World Bank, World Development Indicators 2001, Washington, DC: World Bank, 2001 |
Study by David Lochhead and James Morrell; available from the Center for International Policy |
| Correlations: |
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