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A reasonable sample is a function of the size of the overall population. Assuming you're talking a few million visitors in some fixed period of time, at 500 com
by aagha 13y ago
A reasonable sample is a function of the size of the overall population. Assuming you're talking a few million visitors in some fixed period of time, at 500 comments, you're still a little ways off from a 95 percent confidence interval and a +/-3 margin of error.
- caf 13y agoFor large populations it's not strongly a function of population size - a 500 sample is almost as good for a 100,000 population as it is for a 100,000,000 population (which is not very good at all).