| A time study was conducted on a job that contains four elements. The observed times and performance ratings for six cycles are shown in the following table. |
| OBSERVATIONS (minutes per cycle) | |||||||
| Element | Performance
Rating |
1 | 2 | 3 | 4 | 5 | 6 |
| 1 | 90% | 0.44 | 0.50 | 0.43 | 0.45 | 0.48 | 0.46 |
| 2 | 85 | 1.50 | 1.52 | 1.47 | 1.51 | 1.49 | 1.52 |
| 3 | 110 | 0.84 | 0.89 | 0.77 | 0.83 | 0.82 | 0.80 |
| 4 | 100 | 1.10 | 1.14 | 1.08 | 1.14 | 1.16 | 1.26 |
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| a. | Determine the average cycle time for each element. (Round your answers to 3 decimal places.) |
| Element | Average cycle |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
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| b. | Find the normal time for each element. (Round your answers to 3 decimal places.) |
| Element | Normal time |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
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| c. | Assuming an allowance factor of 18 percent of job time, compute the standard time for this job. (Round your answers to 3 decimal places.) |
| Element | Standard time |
| 1 | |
| 2 | |
| 3 | |
| 4 |
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