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OpenStudy (anonymous):
What is the standard deviation of the following data set? 11, 13, 15, 16, 20, 21
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OpenStudy (anonymous):
how do we calculate it?
OpenStudy (anonymous):
i dont know
OpenStudy (anonymous):
really?
OpenStudy (anonymous):
nevermind its A.
OpenStudy (anonymous):
A means 11
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OpenStudy (anonymous):
square root 9.5
OpenStudy (anonymous):
ok
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