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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 t h e 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 t h n t are back of statistical reasoning. T h e book is, therefore, a good foundation book. -4s might be expect,ed, the topics covered are thosc of most common occurrence in t h e practice of a statistical consultant. T h e reader can learn how to use the analysis of variance and know what he is doing. T h e principles of esperimental arrangements are mentioned very briefly with references to standard source material. T h e 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. T h e customary F tables have been replaced by charts which facilitatr the interpolation usually required to estimate the protxihility point corresponding to a given F value. T h e rpviexer noticed an unfortunat,e displacement of t,hree whole line.
