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Year 12s: what will be the first way you research your future options? >>

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S2 help OCR (not MEI)

S2 help OCR (not MEI)

funkydee

when do you know whether to divide variance by a sample size? is this done for all normal distributions?

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san_M

you only do this when its for the distribution of sample mean (e.g. hypothesis testing for normal distributions), or the application of the CLT.

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