Fifty observations of production operation revealed a mean cycle time – McqOptions

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1.	Fifty observations of production operation revealed a mean cycle time of 10 min. The worker was evaluated to be performing at 90% efficiency. Assuming the allowances to be 10% of the normal time, the standard time (in minutes) for the job is
A.	0.198
B.	7.3
C.	9
D.	9.9
Answer» E.

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