I’m not the best when it comes to stats. But I see some surveys who publish findings based on <30 responses. And I know that these are not valid, and it has something to do with the normal distribution.
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I always heard 1500 participants are required to make it valid.
But look how easy even that many can be corrupt. What if they’re saying 100% of people think God is real, but the survey featured 1500 people from rural Texas. It would be heavily biased.
Source: Took 4 Statistic classes in a row when getting my MBA.
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