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Mar 22, 2015 9:14 AM
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Mar 26, 2015 8:55 AM
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Solution

The covariance matrix for the parameters is estimated using the Fisher information matrix. Although, using MS Excel, I cannot get the estimates to match exactly. They look to be the same up to 2 decimal points.

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Mar 26, 2015 8:55 AM
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Mar 26, 2015 11:43 AM
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This is described in the Statistical Details section of the Reliability Growth documentation:

Statistical Details for the Reliability Growth Platform

Michael Crotty

Sr Statistical Writer

JMP Development

Sr Statistical Writer

JMP Development

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Mar 26, 2015 3:49 PM
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Mar 27, 2015 6:25 AM
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I think this paper might help:

Crow, L. H., (1982), “Confidence Interval Procedures for the Weibull Process with Applications to Reliability Growth,” Technometrics, Feb. 1982, 24:1, 67-72.

Michael Crotty

Sr Statistical Writer

JMP Development

Sr Statistical Writer

JMP Development

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Mar 27, 2015 7:22 AM
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