Suppose the life length (in years) of a memory chip in a mainframe computer has a Weibull

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Suppose the life length (in years) of a memory chip in a mainframe computer has a Weibull failure time distribution. To estimate the Weibull parameters, α and β, 50 chips were placed on test and the number of survivors was recorded at the end of each year, for a period of 8 years. The data are shown in the accompanying table.


a. Use the method of least squares to derive estimates of α and β.

b. Construct a 95% confidence interval for α.

c. Construct a 95% confidence interval for β.

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Statistics For Engineering And The Sciences

ISBN: 9781498728850

6th Edition

Authors: William M. Mendenhall, Terry L. Sincich

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