Precision is expressed by an international standard, viz., the standard error. It measures the average of the difference between a complete coverage and a long series of estimates formed from samples drawn from this complete coverage by a particular procedure or drawing, and processed by a particular estimating formula.
On the Presentation of the Results of Sample Surveys as Legal Evidence, Journal of the American Statistical Association, Volume 49, Number, 268, December 1954 (p. 820)