Chebyshev's inequality
柯林斯词典
1. N the fundamental theorem that the probability that a random variable differs from its mean by more than k standard deviations is less than or equal to 1/k² 契比雪夫不等式[statistics]
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1. N the fundamental theorem that the probability that a random variable differs from its mean by more than k standard deviations is less than or equal to 1/k² 契比雪夫不等式[statistics]