(See Solution) A study of times in a telephone company observed a work that contained three elements. Times and grades for 10 cycles are shown in the following
Question: A study of times in a telephone company observed a work that contained three elements. Times and grades for 10 cycles are shown in the following table
| element | F.C | Observation minutes per cycle |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | 85% | 0.40 | 0.45 | 0.39 | 0.48 | 0.41 | 0.50 | 0.45 | 0.39 | 0.50 | 0.40 |
| 2 | 88% | 1.5 | 1.7 | 1.9 | 1.7 | 1.8 | 1.6 | 1.8 | 1.8 | 2.0 | 2.1 |
| 3 | 90% | 3.8 | 3.4 | 3.0 | 4.8 | 4.0 | 4.2 | 3.5 | 3.6 | 3.7 | 4.3 |
- Assuming a concession factor of 20% of the work time, determine the standard time for this work
- Determine the production per hour with this standard
- How many cycles are necessary to offer a 90% level of reliability, within 5% accuracy?
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![[See Solution] A study of times for](/images/solutions/MC-solution-library-76934.jpg "[See Solution] A study of times for a carpentry job is shown in")
[See Solution] A study of times for a carpentry job is shown in
(Solved) the cycle time to carry out this task took 10 minutes.
![[Solved] The data in the following table](/images/solutions/MC-solution-library-76936.jpg "[Solved] The data in the following table represent the observations")
[Solved] The data in the following table represent the observations
(All Steps) A company has studied a job in its laboratory in advance
(Solved) A study of times for a work that contains 4 elements,
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