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Abstract
Presented here are new graphical methods for analysis of life data with different failure modes. These methods, which are based on hazard plotting, are applicable to incomplete life data coming from life tests and the field. The methods are illustrated with data on a small electrical appliance. This paper concludes with a presentation of theory underlying these methods and an introduction to the literature on analysis of life data with different failure modes.
Additional information
Notes on contributors
Wayne Nelson
Dr. Nelson is a Statistical Consultant at the G.E. Research and Development Center. His previous article on hazard plotting, which appeared in the January 1969 issue of this journal, received the Brumbaugh Award of the ASQC as the paper which made the greatest contribution to the development of industrial applications of quality control in 1969.
