## variable, $$x$$

https://doi.org/10.1351/goldbook.V06600
The quantity or characteristic measured or computed. The corresponding numerical value may be taken for statistical handling; it may, for example, be a measured value or result.
Note:
Statistical usage employs capital letters for random variables, and lower case for particular or observed values. In circumstances where the choice of '$$x$$' as the symbol may cause confusion, another symbol may be used.
See also: dependent and independent variables
Source:
PAC, 1994, 66, 595. (Nomenclature for the presentation of results of chemical analysis (IUPAC Recommendations 1994)) on page 597 [Terms] [Paper]