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# In 1957 theDutch industrial engineer J. R. DeJong proposed ISBN: 9780123948113 226

## Solution for problem 33 Chapter 9

Introduction to Probability and Statistics for Engineers and Scientists | 5th Edition

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Problem 33

In 1957 theDutch industrial engineer J. R. DeJong proposed the following model for the time it takes to perform a simple manual task as a function of the number of times the task has been practiced: T tsn where T is the time, n is the number of times the task has been practiced, and t and s are parameters depending on the task and individual. Estimate t and s for the following data set. T 22.4 21.3 19.7 15.6 15.2 13.9 13.7 n 0 1 2 3 4 5 6

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##### ISBN: 9780123948113

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In 1957 theDutch industrial engineer J. R. DeJong proposed

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