References/Notes/Attributions:
Source
The data were taken from
Cox, D.R. and Snell, E.J. (1981) Applied Statistics: Principles and Examples. Chapman and Hall.
References
Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.
Proschan, F. (1963) Theoretical explanation of observed decreasing failure rate. Technometrics, 5, 375-383.