Question: 7- A work operation consisting of three elements has been subjected to a stop watch study. The recorded observations are shown in the following table

7- A work operation consisting of three elements has been subjected to a stop watch study. The recorded observations are shown in the following table Observations minutes) Job clement 6_performance rating% 4 A 1 3 2 9 2 1 90 B 8 6 8 5 6 7 110 55 4 5 6 5 0 Select one 1.31 minute b. 139 0499 d. 0830
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