Naiman, Arnold. Understanding statistics / Arnold Naiman, Robert Rosenfeld, Gene Zirkel. - 2d ed. - New York : McGraw-Hill, c1977. - xii, 307 p. : ill. ; 24 cm. Includes index. ISBN: 0070458604 LCCN: 76020574 Subjects--Topical Terms: Statistics. LC Class. No.: HA29 / .N28 1977 Dewey Class. No.: 519.5 / NAU 1977