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OpenStudy (anonymous):
If selecting samples of size n>30 from a population with a known mean and standard deviation, what requirement, if any, must be satisfied in order to assume that the distribution of the sample means is a normal distribution?
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OpenStudy (anonymous):
thx everyone
OpenStudy (kropot72):
If the distribution of the parent population is itself normal then the distribution of the sample means will also be normal.
OpenStudy (anonymous):
Thank you, that one had me stuck for a while
OpenStudy (kropot72):
You're welcome:)
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