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OpenStudy (followthefez):
Guessing Standard Deviation from Mean.
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OpenStudy (followthefez):
I get asked to guess the standard deviation, given the MEAN ONLY. I constantly get this wrong. Can someone please explain how to do this. Note: I understand the 70:95 rule thing. Which is how I am currently trying to do it.
OpenStudy (followthefez):
E.g. The mean weight of chickens is 40gm; guess their approximate standard deviation. That is all I'm given.
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