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Mathematics
OpenStudy (anonymous):

Which of the choices is the variance of the sample shown here? 30, 32, 47, 57, 66, 79 A.309.2 B.17.6 C.19.2 D.371.8 E.205.5

OpenStudy (anonymous):

D.

OpenStudy (anonymous):

ok, thanks

OpenStudy (anonymous):

whats formula for calculating varience?

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