Operations Management Study Set 5

Statistics

Quiz 7 :

Work Design and Measurement

Quiz 7 :

Work Design and Measurement

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Learning curves are mostly relevant for complex, new activities that have not been done often.
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True False
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True

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

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Learning curves generally apply to situations in which there is a high degree of human involvement and tasks are fairly repetitive.
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True

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If an 80 percent curve is appropriate for a task and the first unit takes 10 hours, the average time for the first 2 units would be 8 hours.
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According to learning curve theory, the time reduction per unit decreases (improves)as the number of units increases.
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If the elapsed time for the task is short and the activity is somewhat routine, a modest amount of improvement occurs during the first few repetitions.
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Negotiated purchasing results in lower unit costs for smaller quantities.
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According to learning curve theory, for certain kinds of tasks the cost per unit decreases as the number of repetitions increases.
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For an 80 percent learning curve, if the first unit requires 10 hours, the second unit will require 8 hours and the third 6.4 hours.
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An 80 percent learning curve means that with each doubling of repetitions there will be a 20 percent decrease in time per unit.
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The learning curve principle would apply to the number of students in a class: a class twice as large will learn 80 percent faster.
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Ergonomics is the use of computers and robots in the workplace.
True False
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A learning curve for an overqualified worker is higher than that for an average worker.
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Learning curves are used primarily for mass production applications.
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The decrease in time between the second and fourth units will be equal to the decrease in time between the first and second units.
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The learning curve is a basic tool for mass production-type activities because it can deal with large volumes of output.
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When the task is fairly complex and has a longer duration, it will take a larger number of repetitions before improvement is observed.
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The learning curve principle would apply to a baseball pitcher learning to throw a curveball.
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If we have never made the first unit but only think we know how much the labor time will be, we cannot draw a learning curve.
True False
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A learning percentage of 95 percent indicates greater learning than a percentage of 90 percent.
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