ASTM E177

Full Name

ASTM E177 – Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods

Scope

The purpose of this practice is to present concepts necessary to the understanding of the terms “precision” and “bias” as used in quantitative test methods.

This practice also describes methods of expressing precision and bias and, in a final section, gives examples of how statements on precision and bias may be written for ASTM test methods.

Keywords

precision; bias

Resources