Definition:Error/Relative

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 $X - x$.