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Flashcards in lec 5 variables and scales Deck (31)
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31

when is the 3 sigma rule used 

used for giving an esitmateof the data collection if the entire pop was surveyed for when the right datta is diffucult/impossibe to get 

applies to a random variable applied to the normal distribution (bell curve)

doesn't apply to non normal distributions but chebyshev's theorem can be used for those