BEN JAMIN EPSTEIN Wayne State University and Stanford University In this paper four estimation procedures are discussed which are useful if one wishes to make point or confidence interval estimates from life test data. The first two procedures can be applied when the underlying density function Read more
J. L. DOLBY* Lockheed Aircraft Corporation Thii report provides a simple graphical procedure for obtaining the slope and intercept, of the straight line of best fit to a set of points in two dimensions. The solution is obtained in the dual space (coordinate system) by use of mapping. Although the Read more
BEN JAMIN EPSTEIN Wayne State University and Stanford University This paper describes statistical methods for testing hypotheses about the mean of an exponential distribution of life. Advantage is taken of the time-ordered nature of life test data to shorten substantially the time required to Read more
JOHN W. TUKEY Princeton University and Bell Telephone Laboratories, Murray Hill With the exception of appendices 2 and 3, the following is based on the after dinner talk given by Professor John W. Tukey at, the first meeting of the Section of the Physical and Engineering Sciences of the American Read more