Definition:Semi-Interquartile Range
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Definition
The semi-interquartile range is a measure of dispersion in statistics.
Let $Q_1$ and $Q_3$ be first quartile and third quartile respectively.
The semi-interquartile range is defined as:
- $\dfrac {Q_3 - Q_1} 2$
That is, half the interquartile range.
Also see
- Results about semi-interquartile ranges can be found here.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): interquartile range
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): interquartile range