= Chris E. Kuyatt
{c}
{tag=Physicist}
A <physicist> who coauthored NIST guidance for evaluating <measurement uncertainty> with <Barry N. Taylor>. Their framework separates uncertainty estimates obtained statistically from repeated observations from estimates based on other information, then combines contributions into a <standard uncertainty>. This is useful when comparing a measured <physical constant> with a theoretical prediction: a corrected bias and the uncertainty remaining after correction are different quantities.<Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results by Barry N. Taylor and Chris E. Kuyatt>[Sections 2–5: uncertainty components and combination; Appendix D.1: systematic error and correction]{ref}
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