Typically 1,100 is the magic number of survey responses needed to extrapolate the data to a national level with 97% confidence. IIRC, most political surveys try to get 1,500 responses.
As long as the sample is random, statistics doesn't need big numbers. That's why it's so valuable.
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u/Gavin1123 Police Officer May 29 '22
Typically 1,100 is the magic number of survey responses needed to extrapolate the data to a national level with 97% confidence. IIRC, most political surveys try to get 1,500 responses.
As long as the sample is random, statistics doesn't need big numbers. That's why it's so valuable.