Question: 2. The following data resulted from a time study made on a horizontal milling machine operation involving manual work and automatic machine cutting: Mean manual

2. The following data resulted from a time study made on a horizontal milling machine operation involving manual work and automatic machine cutting: Mean manual effort time per cycle: 3.62 min Mean automatic cutting time (power feed): 4.74min Mean performance rating: 105 percent Machine allowance (power feed): 10 percent Human allowance: 15 percent What is the standard time for this operation
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