INTRODUCTION.
PAGES
1-3 The introduction of the terms ‘* statistics,” *‘ statistical,” into
the English language—4-6. The change in meaning of these
terms during the nineteenth century—7-9. The present use
of the terms—10. Definitions of “statistics,” statistical
methods,” “‘ theory of statistics,” in accordance with present
usage 8
PART I.-THE THEORY OF ATTRIBUTES
CHAPTER 1.
NOTATION AND TERMINOLOGY.
1-2. Statistics of attributes and statistics of variables : fundamental
character of the former—3-5. Classification by dichotomy—
6-7. Notation for single attributes and for combinations—
8. The class-frequency—9. Positive and negative attributes,
contraries—10. The order of a class—11. The aggregate—
12. The arrangement of classes by order and aggregate—
13-14. Sufficiency of the tabulation of the ultimate classfrequencies—15-17.
 Or, better, of the positive class-frequencies—18.
 The class-frequencies chosen in the census
for tabulation of statistics of infirmities —19. Inclusive and
exclusive notations and terminologies . !
CHAPTER II
CONSISTENCE.
1-3. The field of observation or universe, and its specification by
symbols—4. Derivation of complex from simple relations by
specifying the universe — 5-6. Consistence — 7-10. Conditions
 of consistence for one and for two attributes—
11-14. Conditions of consistence for three attributes .

1-1
7-16
17-24
IX