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Work sampling (activity sampling): typical applications Select what work sampling can be applied to in industrial engineering. Choose the most comprehensive correct option.

Difficulty: Easy

Estimating percentage utilisation of machines
Estimating percentage time spent on various activities
Finding time standards where stop watch study is impractical
All of the above

Correct Answer: All of the above

Explanation:

Concept
Work sampling uses random observations over time to statistically estimate proportions (e.g., machine busy/idle, operator activity mix). It also supports setting standards for non-repetitive or long-cycle work where stop watch studies are difficult.

Final Answer
All of the above

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