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Chebyshev's inequality

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The theorem that in any data sample with finite variance, the probability of any random variable X lying within an arbitrary real k number of standard deviations of the mean is 1 / k2, i.e. assuming mean μ and standard deviation σ, the probability Pr is:

Etymologies

From surname of Pafnuty Chebyshev, the discoverer. (Wiktionary)

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