Using = 0.01, is the GNP of country group 2 statistically different from the GNP of country group 6 ? What type of statistical test did you conduct and why?

2370	2
630	2
2680	2
1940	2
1260	2
980	2
330	2
1110	2
1160	2
2560	2
2560	2
2490	2

2060	6
610	6
2040	6
1010	6
600	6
120	6
390	6
260	6
390	6
370	6
5310	6
200	6
960	6
80	6
1030	6
360	6
240	6
120	6
2530	6
480	6
810	6
1440	6
220	6
110	6
220	6
420	6
640	6