Relative standard deviation definition

Relative standard deviation means the standard deviation expressed as a percentage of the means recovery. RSD is calculated using the following equation:
Relative standard deviation or “RSD” means the standard deviation expressed as a percentage of the mean recovery. “RSD” is the coefficient of variation multiplied by 100. If any results are less than the limit of quantitation, then the absolute value of the limit of quantitation is used in the following equation: RSD = (s / x) × 100, where s = standard deviation and x = mean recovery.
Relative standard deviation or "RSD" means the standard deviation expressed as a percentage of the mean recovery as calculated under OAR 333-064-0100.¶

Examples of Relative standard deviation in a sentence

  • Relative standard deviation = estimate of the standard deviation / mean x 100%.

  • Relative standard deviation is documented in references [1,15–17] for fiber counts up to 100 fibers in 100 graticule fields.

  • These expenditures are shown in Table 3.Table 3: Actual ABE, NEPAD COFOG classification (excluding feeder roads) 1999–2010 (in CFAF billions) YearSource: SIGFiP, consultants' research Notes:AC = Assumed costs (actual expenditure) RSD: Relative standard deviation CAGR: Compound annual growth rate* Although incomplete, most off-budget expenditures were included.

  • Relative standard deviation between the four replicates must be less than or equal to 20%.

  • Relative standard deviation on replicate mea- surements of Hg binding forms in sediments (matrix-bound noncinnabar Hg compounds and cinnabar) of each sample (n = 3– 4) ranged 2.8% to 15.4% (mean 8.0%).

  • Relative standard deviation is < 20% with the algebraic attack and, due to its indeterministic nature, < 80% with MiniSat.SAT Parameters: For reproducibility of our results, this paragraph lists the SAT-parameters used, see Appendix A 2.3. The optimal grouping threshold p is p = 77%, the optimal cutting number is 4.

  • Relative standard deviation between pairs of α: (g) σαb =2.7◦ − σα=2.5◦ and (h) σα=2.9◦ − σαb =2.7◦ .

  • Relative standard deviation (ó) method was applied, the LOQ and LOD values were predicted using following formulas.

  • Relative standard deviation was determined by analyzing the same sample three times.

  • We first converted weekly expenditure into annual expenditure by multiplying it by 52.

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