Relative Error
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Description:
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The relative error is the ratio of the mean absolute error to the mean value of the quantity measured.
It is also known as fractional error.
Relative error = ± Δameanamean
When the relative error is expressed in percentage, it is called the percentage error.
Percentage error = ± Δameanamean × 100
Sign of error
Error can have either positive or negative sign or it can also have both.
Example − Error = ± 3
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