https://doi.org/10.1351/goldbook.W06670
If in a series of observations a
statistical weight
(wi) is assigned to each value, a weighted mean xw can be calculated by the formula: xw=wi xiwi
Source:
PAC, 1994, 66, 595. (Nomenclature for the presentation of results of chemical analysis (IUPAC Recommendations 1994)) on page 599 [Terms] [Paper]