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Mathematics 7 Online
OpenStudy (anonymous):

Which of the choices is the variance of the sample shown here? 35, 36, 41, 56, 60, 71 A. 215.8 B. 13.7 C. 188.2 D. 50.3 E. 14.7

OpenStudy (anonymous):

http://www.sciencebuddies.org/science-fair-projects/project_data_analysis_variance_std_deviation.shtml this site has the information you need to learn the equation and how to use it.

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