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V O L U M E 25, NO. 6, J U N E 1 9 5 3 old material has been worked over and rearranged. Many readers will be delighted a t the pictorial contrasts of random, uniform, and patchy distributions shown on page 55. It is characteristic of the author t o esplain in detail the basic assumptions and concepts thnt are back of statistical reasoning. The book is, therefore, a good foundation book. -4s might be expect,ed,the topics covered are thosc of most common occurrence in the practice of a statistical consultant. The reader can learn how to use the analysis of variance and know what he is doing. The principles of esperimental arrangements are mentioned very briefly with references to standard source material. The author is conservative in regard to the use of “short-cut” statistical techniques. Several source citations for these “quick and dirty” methods are mentioned. There are seven pages of excellent refwenee material. The customary F tables have been replaced by charts which facilitatr the interpolation usually required to estimate the protxihility point corresponding to a given F value. The rpviexer noticed an unfortunat,e displacement of t,hree whole line.
