| 单词 | statistical dependence | 
| 释义 | Word Frequency statistical dependencenoun a condition in which two random variables are not independent. X and Y are  positively dependent  if the conditional probability, P (X|Y), of X given Y is greater than the probability, P(X), of X, or equivalently if P(X&Y) > P(X).P(Y). They are negatively dependent if the inequalities are reversed  | 
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