Question
In: Math
A student asks if the precision with which manufacturers must calibrate their tools is at all...
A student asks if the precision with which manufacturers must calibrate their tools is at all related to statistics. How do you respond?
Solutions
Expert Solution
As per definition, a measurement system is said to be precise if it produces only small variations in repeated measurement of the same object or phenomenon.Also, a measurement system is said to be accurate if ,on an average, it states the true or correct values of quantities of interest.
In measurement technology, calibration is the comparison of measurement values of a device under test vis-a vis those of a calibration standard of known accuracy. There should not be any significant error resulting about the device under test.
Statistical studies may be conducted to evaluate the sizes of unavoidable measurement variation and variation in measurement owing to consistent differences between how operators use a measurement system.
Thus, the precision with which manufacturers must calibrate their tools, is only indirectly related to statistics in the sense that statistical methods are useful only to the extent of measuring the variations in calibration of tools.
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