Archive for February, 1960

Some Remarks on Wild Observations*

WILLIAM H. KRUSKAI.** The University of Chicago Editor’s Note: At the 1959 meetings of the American Statistical Association held in Washington D. C., Messrs. F. J. Anscombe and C. Daniel presented papers on the detection and rejection of ‘outliers’, that is, observations thought to be Read more


Tuesday, February 16th, 1960

Misclassified Data from a Binomial Population*

A. CLIFFORD COHEN, JR. The University of Georgia The method of maximum likelihood is employed to estimate the binomial parameter p whenever an erroneous observation or report results in recording c defective samples when there are actually c + 1. The proportion of such erroneous observations is Read more


Monday, February 1st, 1960

Programming Fisher’s Exact Method of Comparing Two Percentages

W. H. ROBERTSON Sandia Corporation Exact solutions to many statistical problems are now possible through the use of high speed computing equipment. This paper describes the application of a high speed computer for determining the exact probability statement associated with the problem of Read more


Monday, February 1st, 1960

Tests for the Validity of the Assumption that the Underlying Distribution of Life is Exponential.’

Part I BEN JAMIN EPSTEIN Wayne State University and Stanford University It is frequently useful to test, on the basis of lie test data, whether or not one is justified in assuming that the underlying distribution of lie is exponential. This paper, which appears in two parts, describes a number of Read more


Monday, February 1st, 1960

Experimental Designs to Adjust for Time Trends

HUBERT M. HILLY Research Laboratories Tennessee Eastman Company Division of Eastman Kodak Company Kingsport, Tennessee The problem of time trends is frequently present in chemical processes. Experimental designs which can be used in these situations have been developed by several workers. The Read more


Monday, February 1st, 1960

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