Home » IIA » IIA-CIA-Part3 » What is the average time to perform each of the first eight tasks?
Management of a bookkeeping company observed that the average time spent to perform identical tasks using a new software package decreases as the number of tasks performed increases. The following information on the use of the new software was collected.
If this learning effect continues, what is the average time to perform each of the first eight tasks?
A. 7.29 minutes.
B. 8.1 minutes.
C. 6.56 minutes.
D. 5.90 minutes.
Correct Answer: A
Explanation/Reference:
Explanation:
Learning curves reflect the increased rate at which people perform tasks as they gain experience. The time required to perform a given task becomes progressively shorter. This technique is applicable only to the early stages of production or to any new task. One common assumption is that the cumulative average time per unit is reduced by a fixed percentage each time cumulative production is doubled. Based on the given data, this company has a 90% learning curve (90% x 10 minutes = 9 minutes, and 90% x 9 minutes = 8.1 minutes). Accordingly, the cumulative average time to perform eight tasks is 7.29 minutes (90% x 8.1 minutes).
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