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

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) Element Performance Rating 1 2 3 4 5 6 1 2 90% 85 0.44 0.50 0.43 0.45 0.48 0.46 1.50 1.54 1.47 1.51 1.49 1.52 3 110 0.84 0.89 0.77 0.83 0.85 0.80 4 100 1.10 1.14 1.08 1.20 1.16 1.26 a. Calculate the average time for each element. (Round the final answers to 2 decimal places.) Element Performance Rating 1 2 90% 85 3 110 4 100 minutes minutes minutes minutes b. Calculate the normal time for each element. (Round the final answers to 3 decimal places.) Element Performance Rating 1 2 90% 85 3 110 4 100 NT minutes minutes minutes minutes c. Assuming an allowance factor of 15 percent of workday, calculate the standard time for this task. (Round the final answers to 2 decimal places.) Performance Rating Element 1 90% 2 85 3 110 4 100 ST minutes minutes minutes minutes

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