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OpenStudy (anonymous):
find the sample variance 600mm, 470mm, 170mm, 430mm and 300mm. check my work
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OpenStudy (anonymous):
mean=394 so don't I go (600-394)^2+(470-394)^2+(170-394)^2+(430-394)^2+(300-394)^2 then divide all that by 5 right?
OpenStudy (anonymous):
is that the sample variance or am I think of something different?
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