Question: A time study was conducted on a task that consists of four elements. The observations and performance ratings for six cycles are shown in the

A time study was conducted on a task that consists of four elements. The observations and performance ratings for six cycles are shown in the following table.

Observations (minutes per cycle) ElementPerformance Rating1 2 3 4 5 6 194% 0.43 0.43 0.50 0.49 0.46 0.46 284 1.54 1.48 1.40 1.55 1.44 1.41 3136 0.87 0.89 0.79 0.84 0.84 0.88 4120 1.21 1.13 1.21 1.27 1.30 1.04

a. Calculate the average time for each element. (Round the final answers to 2 decimal places.)

Element Performance Rating OT194% minutes 284 minutes 3136 minutes 4120 minutes

b. Calculate the normal time for each element. (Round the final answers to 3 decimal places.)

ElementPerformance Rating NT194% minutes 284 minutes 3136 minutes 4120 minutes

c. Assuming an allowance factor of 10 percent of workday, calculate the standard time for this task. (Round the final answers to 2 decimal places.)

ElementPerformance Rating ST194% minutes 284 minutes 3136 minutes 4120 minutes

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