Aielyn on 03 January 2014
| Lawlight said: I have no doubt that NPD has way more resources and is more accurate than vgchartz. Which one would you trust more? |
Let's suppose that VGChartz had 2000 retailers in the US, and NPD had 5 times as many, at 10000, just for the sake of argument. Then rather than a 95% confidence margin of error of 2.2%, it's now just under 1%. In other words, while "more accurate", it's not exceptionally accurate.
And you have "no doubt" that NPD has "way more resources"... but you have no evidence, and no reasoning to justify the claim... at least, none that you have provided to us.
So here's your challenge - provide solid evidence that NPD has more resources than VGChartz with regards to video game sales data collection.
