# BUSN Operations Research - Problem

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Problem 7-3

 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 0.45 0.46 2 85 1.50 1.58 1.47 1.51 1.49 1.52 3 110 0.84 0.89 0.77 0.83 0.88 0.80 4 100 1.10 1.14 1.08 1.15 1.16 1.26

 a. Determine the average cycle time for each element. (Round your answers to 3 decimal places.)

 Element Average cycle 1 2 3 4

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

 Element Normal time 1 2 3 4

 c. Assuming an allowance factor of 16 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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