imprecision

in analysis
https://doi.org/10.1351/goldbook.I02991
Variation of the result in a set of replicate measurements. This can be expressed, e.g. as the @S05911@ or @C01124@ of variation (relative @S05911@). This term may have a more general meaning, e.g. if the replicates constitute a batch or involve different instruments, laboratories and analyst.
See:
precision
,
standard deviation
Sources:
PAC, 1989, 61, 1657. (Nomenclature for automated and mechanised analysis (Recommendations 1989)) on page 1663 [Terms] [Paper]
PAC, 1995, 67, 1699. (Nomenclature in evaluation of analytical methods including detection and quantification capabilities (IUPAC Recommendations 1995)) on page 1706 [Terms] [Paper]