In statistics, why is a sample not allowed to be more than 10% of the population. It seems intuitive that the closer you can survey the whole population, the more accurate the results would be.
In: Mathematics
I’ve never heard of this “rule”. As long as the sample isn’t biased in some way (it needs to be as random as possible) then there’s no reason it can’t be 10%. In fact the percentage is mostly irrelevant; it’s the sample size that matters.
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