best answer > What is population variance?- QuesHub | Better Than Quora
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  • Zoe Davis——Studied at the University of Tokyo, Lives in Tokyo, Japan.

    In probability theory and statistics, variance is the expectation of the squared deviation of a random variable from its mean. Informally, it measures how far a set of (random) numbers are spread out from their average value.read more >>
    +119962023-06-27 12:10:00

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