| Sumario: | This article presents information on several books related to statistical methods. Some of the books which are being discussed in this article are: "The Problem of Business Forecasting," edited by Warren M. Persons, William Foster and Albert Hettinger Jr. and "Statistical Method," by H. Jerome. The cantilever method of working from both ends employed in this book, published through a grant of the Pollak Foundation, should do much toward solving the problem of forecasting. Thirty-two experts, drawn from not only the universities, research agencies, but also the trades themselves-- lumber manufacturing, automobile and oil industries, mining engineering, construction finance, meat packing, even farming-- contribute to the twenty-one chapters, which include addresses delivered at the annual meeting of the American Statistical Association in December 1923. Persons in the first chapter presents the attitude held by economic statisticians interested in time series toward certain fundamental conceptions of statistics-- correlation, probability, sampling and the whole process of statistical induction. In interpreting the extent of correlation one must use not the theory of mathematical probability, but rather a sense of rational probability.
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