About: http://webisa.webdatacommons.org/3368393

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If the statistic is a percentage, this maximum margin of error can be calculated as the radius of the confidence interval for a reported percentage of 50%.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org