74 CHARLES GRIFFIN <fc CO.'S PUBLICATIONS. 



In Crown 8vo. With Diagrams. Cloth. 

 AN INTRODUCTION TO 



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BY G. UDNY YULK, 

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. .-KNTS. Introduction. Part I. The Theory of Attributes. Notation and 

 Terminology. Consistence. Association. I';irti:il Association. -Manifold Clas.-itii a- 

 tion. Part II. The Theory of Variables. Frequency Distribution. Avn 

 Measures of Dispersion, &c. Correlation. Do., Practical Application* and Methods. 

 Miscellaneous Theorems Involving the use of the Correlation Coefficient. Partial 

 Correlation. Part III. Theory of Sampling. Simple Sampling of Attributes. 

 Effects of Removing the Limitations of Simple Sampling. The Binomial Distribution 

 and the Normal Curve. Normal Correlation. The Simpler Cases of Sampling for 

 Variables. Percentiles and Mean. 



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