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Error propagation in numerical analysis is just calculating the uncertainty or error of an approximation against the actual value it is trying to approximate. This error is usually shown as either an absolute error, which shows how far away the approximation is as a number value, or as a relative error, which shows how far away the approximation is as a percentage value.
Accuracy
Quite simply, somebody noted that 22/7 is a fairly close approximation of the value of pi.
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This is termed the accuracy of the measurement.
Approximation
This is termed the accuracy of the measurement.
Error propagation in numerical analysis is just calculating the uncertainty or error of an approximation against the actual value it is trying to approximate. This error is usually shown as either an absolute error, which shows how far away the approximation is as a number value, or as a relative error, which shows how far away the approximation is as a percentage value.
Nothing on the list provided with the questionis anywhere near an approximation of (pi).Pi=3.14159.So any number that is not close to that is your answer.
Refers to how close a measurement is to the true or actual value.
Accuracy
The closeness to the actual value is called the accuracy. The reproducibility of the measurement is call the precision.
An approximation error is the discrepancy between an exact value and the approximation to it. This occurs when the measurement of something is not precise.
Quite simply, somebody noted that 22/7 is a fairly close approximation of the value of pi.
It's signature figures
The approximation wasn't exact, of course, but it was close enough.
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