(In work study) a form of sampling in which a large number of observations are made of a group of machines or workers over a period of time in order to predict what percentage of the total time is occupied by any one activity.
Origin
1950s; earliest use found in OR.
Definition of activity sampling in US English:
activity sampling
noun
(In work study) a form of sampling in which a large number of observations are made of a group of machines or workers over a period of time in order to predict what percentage of the total time is occupied by any one activity.