Number port stats suggest curious trends in iPhone 3G launch

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David513 @ Jul 23rd 2008 2:01PM

@mac404: You're mistaken about being able to draw a conclusion from this sample. Yes, a sample size of 1,000 is plenty to draw a statistically meaningful conclusion, but what you're missing is that it MUST be a truly RANDOM sample of the entire universe that the conclusion is being drawn about. This is not a random sample. We have no way of telling whether it's representative of the wider picture at T-mobile or not. So it's insane to try to draw conclusions this way, and it's ignorant of research methods to pretend that any 1,000 results (of unknown origin) can accurately say anything about the bigger picture.

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