Relative Standard Deviation Calculator

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Understanding Relative Standard Deviation

Relative Standard Deviation (RSD) is a standardized measure of dispersion that helps you compare the variability of different datasets, regardless of their units or magnitudes. It's particularly useful in quality control, analytical chemistry, and financial analysis.

Formula

RSD = (Standard Deviation / Mean) × 100%

Key Features

  • Always expressed as a positive percentage
  • Allows comparison between different units of measurement
  • Lower values indicate more consistent data
  • Higher values indicate more variable data