The metric type "1940 - Mean age" value of 46 for area Hermitage, Breckland 2011 is the weighted mean value of <a href="http://developertools.esd.org.uk/data?value.valueType=raw&metricType=1940&area=E05010248%3ALLSOA%5B2011%5D&period=cen_2011&columnGrouping=metricType&columnGrouping=period&columnGrouping=valueType&rowGrouping=area&summary.summaryType=mean&summary.summaryFor=area&includeDerivationLink=true" target="_blank">the LSOAs that fit approximately into it</a>.<br/><br/>LSOAs areas are determined by using the LSOAs whose population centric centroids are located within Hermitage. LSOA areas have a 83.2% degree of fit within the area of Hermitage.