epirating
24. Environmental Performance Index. The Environmental Performance Index (EPI) is a measure of a nation's commitment to environmental protection and global sustainability. Data for 2008 were released at the World Economic Summit's annual meeting in Davos, Switzerland. The following data represent independent random samples of the EPI ratings for nations from four continental regions. Test whether the population median EPI is the same in the four continental regions, using level of significance .
| Americas | EPI | European Union | EPI |
|---|---|---|---|
| Canada | 88.3 | France | 87.8 |
| Brazil | 82.7 | Germany | 86.3 |
| USA | 81.0 | United Kingdom | 86.3 |
| Mexico | 79.8 | Portugal | 85.8 |
| Jamaica | 79.1 | Italy | 84.2 |
| Spain | 83.1 | ||
| Ireland | 82.7 |
14-44
| Sub-Saharan Africa | EPI | Asia and Pacific | EPI |
|---|---|---|---|
| Kenya | 69.0 | Japan | 84.5 |
| South Africa | 69.0 | Taiwan | 80.8 |
| Ethiopia | 58.8 | Australia | 79.8 |
| Rwanda | 54.9 | Vietnam | 73.9 |
| Chad | 45.9 | China | 65.1 |
| India | 60.3 |