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As long as the participants are randomly selected, all of those factors drop out into noise. The law of large numbers guarantees you that as sample sizes go to
by dcolkitt 7y ago
As long as the participants are randomly selected, all of those factors drop out into noise. The law of large numbers guarantees you that as sample sizes go to infinity, the magnitude in difference between the i.i.d. variables in the samples goes to zero.
- klmadfejno 7y ago* We don't have infinity, or sufficiently large numbers of companies to do this * We don't have the resources to test sufficiently large numbers of companies like this * The dependent variable in question is going to be entirely dependent on the number of people infected at a company at the beginning of the study, which is unknowable unless you can test everyone... which we can't.