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Exam 11: Learning Curves

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Question 31

True/False

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According to learning curve theory,every doubling of total output will produce a constant percentage decrease in time per unit.

A) True
B) False

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Question 32

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The learning percentage is the base of the power function that is fitted to the data.

A) True
B) False

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Question 33

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A company is preparing a bid on a government contract for 40 units of a certain product.The operations manager estimates the assembly time required for the first two units to be 10.4 hours and 8.8 hours,respectively.Which unit,if any,will require approximately one-half the time of the first unit?

A job is expected to have a 70 percent learning curve.The first unit has been completed in 20 hours.Accordingly,the second unit can be expected to take approximately how many hours?

A company is preparing a bid on a government contract for 40 units of a certain product.The operations manager estimates the assembly time required for the first two units to be 10.4 hours and 8.8 hours,respectively.What is the average time per unit for the 40 units?

A learning rate of 97% will produce minor decreases in completion times of the first few units.

Learning curves have little relevance for planning or scheduling of routine activities of short duration.

Learning curves are used primarily for mass production applications.

A job will have a learning rate of 75 percent.If the 3^rd unit requires 10 hours,the 12^th unit should require about this many hours:

The decrease in time between the second and fourth units will be equal to the decrease in time between the first and second units.

Which one of the following would learning curves probably affect the least?

If the task is short and somewhat routine; a modest amount of improvement occurs during the first few repetitions.

A job is expected to have a learning curve of 90 percent.The third unit required 16 hours.The twelfth unit should take approximately how many hours?

When the task is fairly complex and has a longer duration,improvement will occur over a larger number of repetitions.

According to learning curve theory,the time reduction per unit decreases as the number of units increases.

To which worker would learning curves be most applicable?

A job has an 80% learning curve.If the first unit took 50 hours to complete,the third unit should take roughly how many hours?

A 95% learning curve indicates greater learning than a 90% learning curve.

Ron has noted that the first accounting problem he did in a set of similar problems took him one hour,and the ninth problem took 24 minutes. (i)Estimate Ron's learning curve. (ii)About how long did it take Ron to do his set of 10 problems?

Sally suspects strongly that there is a learning curve associated with solving problems assigned for operations management.She notes that it took her approximately 33 minutes to solve the first problem and 17 minutes to solve the fifth problem. (i)Estimate Sally's learning percentage. (ii)Using your answer from part a,estimate how long it will take Sally to finish the three problems which remain.