Slovin’s Formula, n = N / (1+Ne2), is used to calculate the sample size (n)
Whereas the population size (N) and a margin of error (e). This formula is almost 61 years. Any current scholarship available?
Yes! It's excellent if you know nothing about the population before sampling :)
https://www.statisticshowto.com/how-to-use-slovins-formula/
Dr. Andrew Paul McKenzie Pegman thank you, noted. Do I say, If the "popution is Known" then Slovin' formula goes? n = N / (1+Ne2)
Where:
- n = Number of samples,
- N = Total population and
- e = Error tolerance (level).
Cochran 1977 looks at unknown population
See also Kalton (2021, Survey Sampling, Sage) on p. 14 the discussion of finite population corrections. (or for free at https://www.statisticshowto.com/finite-population-correction-factor/). You can use this within a power analysis (using simulation).
Dr. Daniel Wright , thank you so much for this useful information.
It's a good formula to use where you don't know the confidence interval :)
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