CONTENTS:- EDITORS' PREFACE .vii I. INTRODUCTORY .1 II. DIAGRAMS .24 III. DISTRIBUTIONS .41 IV. TESTS OF GOODNESS OF FIT, INDEPENDENCE AND HOMOGENEITY; WITH TABLE OF X2 .78 V . TESTS OF SIGNIFICANCE OF MEANS, DIFFERENCES OF MEANS, AND REGRESSION COEFFICIENTS . 114 VI. THE CORRELATION COEFFICIENT .175 VII. INTRACLASS CORRELATIONS AND THE ANALYSIS OF VARIANCE .211 VIII. FURTHER APPLICATIONS OF THE ANALYSIS OF VARIANCE . 248 IX. THE PRINCIPLES OF STATISTICAL ESTIMATION .299 SOURCES USED FOR DATA AND METHODS . 336 BIBLIOGRAPHY . 340 INDEX .351 TABLES I. AND II. NORMAL DISTRIBUTION .77 III. TABLE OF X2 . 112 IV. TABLE OF t . 174 V.A. CORRELATION COEFFICIENT-SIGNIFICANT VALUES .209 V.B. CORRELATION COEFFICIENT-TRANSFORMED VALUES . 210 VI. TABLE OF Z . 242-247