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Mathematics 22 Online
OpenStudy (anonymous):

What is the standard deviation of the following data? If necessary, round your answer to two decimal places. 100, 140, 130, 180, 80, 160

OpenStudy (anonymous):

donkey work, let the machine do it http://www.wolframalpha.com/input/?i=standard+deviation+100%2C+140%2C+130%2C+180%2C+80%2C+160

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