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One distinguishing feature of the digit table is its size. The numbers have been used extensively by research workers at RAND, and by many others, in the solution of a wide range of problems during the past seven years. Many of the applications required a large supply of random digits or normal deviates of high quality, and the tables presented here were produced to meet those requirements. IntroductionĮarly in the course of research at The RAND Corporation a demand arose for random numbers these were needed to solve problems of various kinds by experimental probability procedures, which have come to be called Monte Carlo methods. These tables were prepared in connection with analyses done for the United States Air Force. The following persons participated in the production, testing, and preparation for publication of the tables of random digits and random normal deviates: Paul Armer, E. Still the largest known source of random digits and normal deviates, the work is routinely used by statisticians, physicists, polltakers, market analysts, lottery administrators, and quality control engineers.Ī humorous sidelight: The New York Public Library originally indexed this book under the heading "Psychology." Acknowledgments The tables of random numbers in the book have become a standard reference in engineering and econometrics textbooks and have been widely used in gaming and simulations that employ Monte Carlo trials. This book was a product of RAND's computing power (and patience).