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Learning Curves

# Learning Curves - L earning Curves Learning Curve Analysis...

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Learning Curves Learning Curve Analysis reflects the increased rate at which people perform tasks as they gain experience. Cumulative Average-Time Learning Model Incremental Unit-Time Learning Model Evaluates the average time per unit required to produce all of a given number of units produced to date, inside each lot => same time required ex lot 8= 10 min lot=500 units => each item in lot 8 take 10/500=0.02 minutes lot 8= 5 th , 6 th , 7 th , and 8 th ex: 80% learning curve Evaluates the time needed to produce the last unit in a quantity of units, we can only know the time of the 1 st , 2 nd , 4 th , 8 th …and not the total 8 lots just the 8 th Ex: 80% learning curve Lot Time of the # lot 1 1000 2 nd 800 4 th 640 8 th 512

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Units Lot (each lot 50 unit) Average time per lot 50 1 1000 100 (50 X 2) 2 800 200 (50 X 4) 4 640 400 8 (5 th , 6 th , 7 th , 8 th ) 512 Producing one lot needs 1000hr Producing two lots need 1600 1000 X (.8 X 2) Producing four lots need 2560 1000 X (.8 X 2) (.8 X 2) Producing 8 lots need 4096 1000 X (.8 X 2) (.8 X 2)(.8 X 2) Producing the 2 nd lot needs 600hr (1600- 1000) Producing the
P.S learning curve % = (labor cumulative cost B/# unit B)/(labor cumulative cost A/# unit A) see Gleim p60 ex #
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Learning Curves - L earning Curves Learning Curve Analysis...

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