Definition:Error/Relative

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Definition

Let $V$ be a variable in the context of descriptive statistics.

Let $X$ be the true value of $V$.

Let $x$ be the measured value of $V$.


The relative error in $x$ is defined as:

$\dfrac {\size {X - x} } X$
where $\size {X - x}$ denotes the absolute value of $X - x$.


Sources