gameranking
25. Video Game Ranking. GameRankings.com publishes summary statistics for reviews of video games. The following data set represents a random sample of video games and their average reviewer score for the PlayStation 3 platform and the Xbox 360 platform, as of January 23, 2009. Test whether a rank correlation exists between the two game platforms, using level of significance .
| Game | PlayStation 3 mean reviewer score |
Xbox 360 mean reviewer score |
|---|---|---|
| Grand Theft Auto IV | 0.9373 | 0.9656 |
| BioShock | 0.9403 | 0.9525 |
| Call of Duty 4: Modern Warfare |
0.9378 | 0.9416 |
| Rock Band | 0.9119 | 0.9225 |
| The Orange Box | 0.8838 | 0.9624 |
| Guitar Hero III: Legends of Rock |
0.8390 | 0.8622 |