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IM & OR work measurement
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asked
Aug 6, 2017
in
IM&OR
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chandu
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215k
points)
7,7,7,6,6,9,8 and 6 are the times recorded for one element of operation. How many cycles are necessary for time study if the erros is not to exceed 5 percent at the confidence level of 99.7%?
(a) 32 (b) 72 (c) 96 (d) 144
iasprelims
1998
im&or
work-measurement
work-study
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