Chao, Lincoln L. Statistics: methods and analyses [by] Lincoln L. Chao. - New York, McGraw-Hill [1969] - xii, 512 p. illus. 24 cm. includes index. LCCN: 69013600 Subjects--Topical Terms: Statistics.Mathematical statistics. LC Class. No.: HA29 / .C5425 Dewey Class. No.: 519.5 / CHS 1969