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education/statistics/Sampling.md
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@ -39,3 +39,5 @@ An ideal sample will represent the whole population.
The expected value for a sample percentage equals the population percentage. The standard error for that percentage = `(SE_sum/sample_size) * 100%`
To determine by how much the standard error is affected, if `n` is the sample size, the standard error changes by $\frac{1}{\sqrt{n}}$
Accuracy in statistics refers to how small the standard error is for a