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Mathematics 14 Online
OpenStudy (anonymous):

HELP PLEASEEEEEEEEE!!! How do i find the standard deviation and variance of 93,73,76,86,98?

OpenStudy (anonymous):

1. find the mean 2. find the difference of each value from the mean 3. square each value, then take the mean of each square this is the variance the standard deviation is the square root of the variance http://en.wikipedia.org/wiki/Standard_deviation#Basic_examples

OpenStudy (anonymous):

http://www.wolframalpha.com/

OpenStudy (anonymous):

Are you allowed to use calculator?

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