1
Experimental Uncertainties
Measurements of any physical quantity can never be exact. One can only know its value with a
range of uncertainty. If an experimenter measures some quantity X, the measurement must be
written with an uncertainty: X X. This exp
10. Error Propagation tutorial.doc
Introduction
This tutorial is a follow-up to the tutorial on Significant Figures in Calculations, tutorial #4. The
significant figure rules outlined in tutorial # 4 are only approximations; a more rigorous method is
used