Assertion: mean | /r/HasProperty | computed
Facets:
Source sentences:
text: In a discrete probability distribution of a random variable X, the mean is equal to the sum over every possible value weighted by the probability of that value; that is, it is computed by taking the product of each possible value x of X and its probability p(x), and then adding all these products together, giving μ = ∑ x p ( x ) . . . .