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Preferred Labelskos:prefLabel: FTsd2_LE99r3
URI: https://standards.isotc211.org/19157/-3/1/dqc/content/formulaType/FTsd2_LE99r3 ↗Go to the persistent identifier link
Within Vocab: ISO19157-3 quality measures

Definitionskos:definition	$L E 99 r 3 = 7.453 \times \sqrt{\frac{1}{N - 1} \sum_{i = 1}^{N} (z_{m i} - z_{t})^{2}}$
has broaderbroader	MDsd2_LE99r3 Standard deviation - true value unknown; significance level 99%; 3 redundant measurements.
Formula KeyformulaKey	N is a number of observations zmi is the ith measurement zt is the arithmetic mean of the observations
LanguageformulaLanguage	https://standards.isotc211.org/19157/-3/1/dqc/content/formulaType/MathML
Lang. VersionformulaLanguageVersion	1.0

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