Term: relative standard deviation, \(s_{\text{r}}\), \(\sigma_{\text{r}}\)
https://doi.org/10.1351/goldbook.R05280

Definition:
The standard deviation divided by the mean of the series. It can be calculated with the formula: \[s_{\text{r}}=\frac{s}{\overline{x}}\]

Related Terms:
1) standard deviation (http://doi.org/10.1351/goldbook.S05911).

Source: Orange Book, 2nd ed., p. 5 (https://media.iupac.org/publications/analytical_compendium/)

Citation: 'relative standard deviation, \(s_{\text{r}}\), \(\sigma_{\text{r}}\)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.R05280

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