About: http://webisa.webdatacommons.org/175803084

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	As a result of this, statistical tests, such as the calculation of confidence intervals, cannot be validly used, because such procedures assume that each unit in the population does have a chance of being included in the sample.
http://www.w3.org/ns/prov#wasQuotedFrom	ksu.edu