olemus
ISO/IEC Guide 98-3:2008:
mõõtetulemi ja mõõdetava suuruse tegeliku väärtuse läheduse mõõt
= closeness of the agreement between the result of a measurement and a true value of the measurand

ülevaateid
https://www.npl.co.uk/resources/q-a/difference-accuracy-uncertainty
https://testbook.com/maths/accuracy
https://www.inorganicventures.com/icp-guide/accuracy-precision-mean-and-standard-deviation
http://ndl.ethernet.edu.et/bitstream/123456789/65370/1/52.pdf