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OpenStudy (anonymous):
What is the standard deviation of the following data set? 11, 13, 15, 16, 20, 21 A) √15.2 B) √18 C) √76 D) √3.6
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OpenStudy (anonymous):
B
OpenStudy (anonymous):
it says it's not B... :(
OpenStudy (anonymous):
i think it is c
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