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Moment.
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The kth moment of a list is the average value of the elements raised to the kth power; that is, if the list consists of the n elements x1, x2, … , xn, the kth moment of the list is
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Law of averages., английский
The law of averages says that the average of independent observations of random variables that have the same probability distribution is increasingly likely to be close to the expected value of the random variables as the number of observations grows. mor
Intersection., английский
The intersection of two or more sets is the set of elements that all the sets have in common; the elements contained in every one of the sets. the intersection of the events a and b is written "a∩b," "a and b," and "ab.&
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