Question: A time study was conducted on a job that contains four tasks. Tire observations and performance ratings for six cycles are shown in tire following

A time study was conducted on a job that contains four tasks. Tire observations and performance ratings for six cycles are shown in tire following table.

a. Calculate the average time for each task.
b. Calculate the normal time for each task.
c. Assuming an allowance factor of 15 percent of workday, calculate the standard time for this job.

Observations (minutes per cycle) Performance Rating 90% 85 Task 3 5 6 46 1.50 1.54 1.47 1.51 149 152 80 .10 114 .08 20 .16 1.26 .50 .43 45 46 84 89 83 85 100

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