SUGGESTIONS TO READERS

1.The general reader will be chiefly interested in Parts I, II, and IV.

2. Readers with a distaste for mathematics will find the essential theory stated in words in Part II.

3. Those interested in statistical analysis should read Chapter XIX.

4. The Appendix to Chapter XIX contains the statistical tables used in the analysis presented in the text.

5. The analytical table of contents, the index, and the running page headings have been constructed with especial reference to the varying needs of different classes of readers. The book presents a complete theory of interest, and it is hoped that those who approach it from special viewpoints may, in the end, read it all.

Edition: current; Page: [1]