<?xml version="1.0" encoding="utf-8"?><Thesaurus
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	xsi:schemaLocation="http://schemas.bs8723.org/XmlSchema/DD8723-5.xsd">	 <dc:identifier>https://digilab.ptb.de/dkd/refType/vocab/</dc:identifier>  <dc:title>Metrology Database</dc:title>  <dc:creator>German Calibration Service (DKD)</dc:creator>  <dc:subject>metrology, reference types, digital calibration certificate, certificate of conformity</dc:subject>  <dc:description><![CDATA[  ]]></dc:description>  <dc:publisher>German Calibration Service (DKD)</dc:publisher>  <dc:date>2023-06-19</dc:date>  <dc:language>en-US</dc:language><ThesaurusConcept dc:identifier="https://digilab.ptb.de/dkd/refType/vocab/skos/316">	<dcterms:created>2025-06-05 13:03:12</dcterms:created><PreferredTerm dc:identifier="https://digilab.ptb.de/dkd/refType/vocab/skos/316" xml:lang="en-US">	<LexicalValue>standardDeviationPopulation</LexicalValue>	<dcterms:created>2025-06-05 13:03:12</dcterms:created></PreferredTerm><ScopeNote xml:lang="en-US">  <LexicalValue><![CDATA[ <p>The standard deviation is the positive square root of the variance.</p> ]]> </LexicalValue></ScopeNote><ScopeNote xml:lang="de">  <LexicalValue><![CDATA[ <p>Die Standardabweichung ist die positive Quadratwurzel der Varianz.</p> ]]> </LexicalValue></ScopeNote><ScopeNote xml:lang="en-US">  <LexicalValue><![CDATA[ <p>For the standard deviation of a population, the divisor "N" has to be used.</p>
<p>$s_N=\sqrt{\frac{1}{N}\sum_{i=1}^{N}(x_i-\bar{x})^2}$</p> ]]> </LexicalValue></ScopeNote><ScopeNote xml:lang="de">  <LexicalValue><![CDATA[ <p>Für die Standardabweichung einer Grundgesamtheit ist "N" als Divisor zu benutzen.</p>
<p>$s_N=\sqrt{\frac{1}{N}\sum_{i=1}^{N}(x_i-\bar{x})^2}$</p> ]]> </LexicalValue></ScopeNote><ScopeNote xml:lang="en-US">  <LexicalValue><![CDATA[ <p>A link via id/refId can be used to identify the values used to determine the standard deviation.</p> ]]> </LexicalValue></ScopeNote><ScopeNote xml:lang="de">  <LexicalValue><![CDATA[ <p>Über eine Verknüpfung per id/refId kann identifiziert werden, aus welchen Werten die Standardabweichung bestimmt wurde.</p> ]]> </LexicalValue></ScopeNote><HistoryNote xml:lang="en-US">  <LexicalValue><![CDATA[ <p>2025-06-05</p>
<p>Created</p> ]]> </LexicalValue></HistoryNote><HistoryNote xml:lang="en-US">  <LexicalValue><![CDATA[ <div id="note_id1031" class="panel-body">
<p>2025-06-05</p>
<p>Edited scsope notes 2 and 3, added markdown formula</p>
</div> ]]> </LexicalValue></HistoryNote><HasHierRelConcept Role="BT">https://digilab.ptb.de/dkd/refType/vocab/skos/292</HasHierRelConcept><HasRelatedConcept Role="RT">https://digilab.ptb.de/dkd/refType/vocab/skos/18</HasRelatedConcept><HasRelatedConcept Role="RT">https://digilab.ptb.de/dkd/refType/vocab/skos/99</HasRelatedConcept><HasRelatedConcept Role="RT">https://digilab.ptb.de/dkd/refType/vocab/skos/5</HasRelatedConcept><HasRelatedConcept Role="RT">https://digilab.ptb.de/dkd/refType/vocab/skos/295</HasRelatedConcept></ThesaurusConcept></Thesaurus>