weighted average

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weighted average

n
(Statistics) an average calculated by taking into account not only the frequencies of the values of a variable but also some other factor such as their variance. The weighted average of observed data is the result of dividing the sum of the products of each observed value, the number of times it occurs, and this other factor by the total number of observations
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weighted average

References in periodicals archive ?
Recently, the literature has seen increasing interest in subscores for their potential diagnostic values; for example, one study suggested the report of weighted averages of a subscore and the total score, whereas others showed, for various operational and simulated data sets, that weighted averages, as compared to subscores, lead to more accurate diagnostic information.
In 2008 we found that overall weighted averages have ticked up across all five service categories we measure-two by two points.
One solid signal that service on the rails is showing some improvement is the fact that this year's overall weighted averages for both of our categories in this section (Rail/Intermodal Service Providers and Intermodal Marketing Companies) have seen significant improvements over last year's score, indicating that shippers have issued slightly higher scores in 2008.

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