Industrial Engineering and Production Management
Pick up the incorrect statement from the following. A critical ratio scheduling

Adjusts automatically changes in activity progress
Determines the status of each activity
All of the these
Establishes the relative priorities among various activities on a common basis

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

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

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