2P-Weibull Rank Regression

This example validates the calculations for the 2-parameter Weibull rank regression in Weibull++ standard folios.

Table 12.8 on page 419 in the book Reliability Engineering Handbook Vol 1 by Dr. Kececioglu, Prentice-Hall, 1991.

The least square estimator for $${\beta}\,\!$$ is 1.2 and for $${\eta}\,\!$$ is 146.2.