About: http://webisa.webdatacommons.org/172380161

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	Thus we can apply the usual t-test to the parameter estimate for a test of whether the parameter is zero. $ b ???t $ s. e. (b ) This approximation works best for large samples.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com