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Mathematics 21 Online
OpenStudy (anonymous):

Find the standard deviation. Round to one more place than the data. 6, 5, 9, 13, 18, 7, 5, 20, 11, 15 A. 5.4 B. 1.2 C. 4.9 D. 5.1

OpenStudy (callisto):

All you need is a calculator....

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