There is numerical average and statistical average (as well as others). The average video-game most likely scores above 50% but that doesn't need to correlate with the definition of what average should be. What I mean by this is say the average video-game nets a 7/10 score, that is now the score that constitutes the industry average score of a video-game which in turn makes any video-game below 7/10 less than the average game thus giving way to 7/10 being portrayed as "average".
It is almost necessary for a reviewer to conform to the industry standard, otherwise the score will be misrepresented, although the review could stand on its own.







