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means and standard deviation!!?
the population mean is 200cm for the unknown amount of rods in the population
the pop sd is 4cm
the ONE sample of 4 rods is randomly taken from the population, and the one sample of 8 rods is taken from the population, which one should be closer to the population mean and standard deviation?
I know the central limit theorem (pop sd /sqrt n), but isn't this the standard deviation of the sample means, not the standard deviation of one sample itself?
Any help on explaining this would be great
1 Answer
- calzrheLv 710 years agoFavorite Answer
Standard deviation of the sample means would be if you have many samples and you found their means, and then found the standard deviation of those means.
I think this is just asking about the standard deviation of one sample itself.
