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Mathematics 17 Online
OpenStudy (anonymous):

I have this values in my spreedsheet -3, -1, 4, 1, 3, -2, -2, 3, -1, 5 and I take the mean 0,7 SD 2,5 and CV 357,14 in another hand I have other values: 6, 5, 5, 8, 6, 7, 8, 6, 8, 6 M: 6,5 SV: 1,0 and CV: 15,38.... it's ok, but when I have a mean 0, no matter what value of standard deviation, the CV is going to be infinite. how can I show this variation, even with a zero-mean?

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