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OpenStudy (anonymous):
How do you find the standard deviation? The varience I found was 1.81 and the expected value is 3.7..
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OpenStudy (isaiah.feynman):
\[S.D=\sqrt{variance}\]
OpenStudy (anonymous):
I did that but I got marked wrong unless I'm supposed to do something else. The answer I got was 1.34
OpenStudy (isaiah.feynman):
Well that's the formula. Check your calculations from the beginning.
OpenStudy (anonymous):
My calculations are right but maybe its the website so i'll just ask my professor.
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