## Wikipedia - Varianza variance $$V$$, $$\sigma ^{2}$$

https://doi.org/10.1351/goldbook.V06602
The sum of the squares of the @S05911@, expressing the contributions to the overall @P04799@ from various sources of uncertainty.
Sources:
Orange Book, 2nd ed., p. 5 [Terms]
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2218 [Terms] [Paper]
PAC, 1994, 66, 595. (Nomenclature for the presentation of results of chemical analysis (IUPAC Recommendations 1994)) on page 601 [Terms] [Paper]