\begin{definition}[Definition:Normalized Weight Function]
Let $S = \sequence {x_1, x_2, \ldots, x_n}$ be a sequence of real numbers.
Let $\map W x$ be a weight function to be applied to the elements of $S$.
Then $W$ is defined as being '''normalized''' {{iff}}:
:$\ds \sum_x \map W x = 1$
Category:Definitions/Algebra
Category:Definitions/Statistics
\end{definition}