weighted average(redirected from Weighted averages)
Also found in: Dictionary, Financial.
weighted average[′wād·əd ′av·rij]
The number obtained by adding the product of αi times the i th number in a set of N numbers for i = 1,2,…, N, where αi are numbers (weights) such that α1+ α2+ ⋯ + αN = 1. Also known as weighted mean.