LastManStanding said:
A translation of part of the second link: ...This is less than the Playstation 2, higher than 5.5 million units sold (about 500000 PS3). For its part, Microsoft claims to have sold a total of 500000 Xbox 360 since its release in late 2005. As for the installed base of first-generation Xbox, it is 750000 consoles, according to Microsoft France.
¿Is a survey a reliable source?
|
No, no it really isn't. Not if you know anything about statistics or the difference between survey statsitics and projection statstics.