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Results tagged with variance
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user 6242
The expected squared deviation of a random variable from its mean; or, the average squared deviation of data about their mean.
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How should I characterize the "typical" variance of a large collection of variables?
I'd like to demonstrate that the variance of all my readings, per variable, is pretty low. (In my example, I'd like to show that people of any given age are all about the same height. … That is, say 20-year-olds are all close to 5'4" with low variance and 21-year-olds are all close to 5'6". …
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