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This book is an introduction to statistical analysis in a rather unusual way. Most introductions take up the simpler subjects, while this text stresses tests of significance, the more advanced aspect of statistics. It is an introduction in the sense that it is a summary of statistical method and a description of the material that would be obtained from a complete discussion of the subject. The book presents all the common statistical tests of significance and the associated confidence limits. It omits algebraic proof in all cases. Empirical checks on sampling distributions are described and illustrated, and they constitute what the authors choose to call statistical proof. The book provides excellent illustrations of these significance tests and should be very useful as a reference source for the research worker. Their illustrations are chosen from a variety of fields, and they state explicitly that general statistical methods should be applicable equally
Introduction to Statistical Analysis.. JAMA. 1951;146(14):1361. doi:10.1001/jama.1951.03670140087033