Spiegel, Murray R. Schaum's outline of theory and problems of statistics. by Murray R. Spiegel. - New York, McGraw-Hill, c1961. - 359 p. : ill. ; 28 cm. - (Schaum's outline series) . Includes index. ISBN: 070602271 Subjects--Topical Terms: Statistics. LC Class. No.: QA276.2 / .S64 1961