Industrial Engineering and Production Management
Pick up the incorrect statement about advantages of work sampling

Permits a fine breakdown of activities and delays
Calculations are easier, method is economical and less time consuming
Simultaneous study of many operators may be made by a single observer
No time measuring devices are generally needed

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Industrial Engineering and Production Management
Work sampling is applied for

Estimation of the percentage utilization of machine tools
Finding out time standards, specially where the job is not repetitive and where time study by stop watch method is not possible
Estimating the percentage of the time consumed by various job activities
All of these

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