a. true, It is true that work sampling can be used to estimate the proportion of time spent by people or machines on activities.
More about work sampling:
Work sampling is a statistical method for calculating the percentage of time that employees spend in several defined categories of activity (such as setting up a machine, putting two pieces together, being idle, etc.). Because it enables speedy analysis, recognition, and improvement of job responsibilities, tasks, performance competencies, and organizational work flows, it is just as crucial as all other statistical tools. It goes by the terms "activity sampling," "occurrence sampling," and "ratio delay research," among others.
Other characteristics of work sampling are:
- One of them is having enough time to complete the studies.
- Multiple employees is another trait.
- Lengthy cycle time is the third attribute.
- The final prerequisite is non-repetitive work cycles.
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