Like spouses in murders, errors are always the prime suspect when measurements go awry. As soon Apollo 13 had a problem, a Mission Control engineer exclaimed, “It’s got to be the instrumentation!”
It wasn’t the instrumentation. In general, however, before searching for a root cause in your process, you want to rule out the instrumentation. For that, you need to make sure it always gives you accurate and precise data.
Jan 29 2024
Measurement Errors
Like spouses in murders, errors are always the prime suspect when measurements go awry. As soon Apollo 13 had a problem, a Mission Control engineer exclaimed, “It’s got to be the instrumentation!”
It wasn’t the instrumentation. In general, however, before searching for a root cause in your process, you want to rule out the instrumentation. For that, you need to make sure it always gives you accurate and precise data.
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By Michel Baudin • Data science • 2 • Tags: ANOVA, Gare R&R, Measured Variables, measurement, measurement error