Spiegel, Murray R. Schaum's outline of theory and problems of statistics / Murray R. Spiegel. - 3rd ed. - New York : McGraw-Hill, c1998. - xvii, 538 p. : ill. ; 27 cm. - (Schaum's outline series) . ISBN: 0070602816 Subjects--Topical Terms: Statistic--Problems, exercises, etc.