About: http://webisa.webdatacommons.org/79537432

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	Assuming your 4000 points are a random sample of those differences, why do not you just report their 2.5 and 97.5 percentiles?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com