Spiegel, Murray R. <br/><br/>
Schaum's outline of theory and problems of statistics / 
 Theory and problems of statistics  Statistics 
Murray R. Spiegel. 
 - 3rd ed. /  Larry J. Stephens. 
 - New York :  McGraw-Hill,  c1999. 
 - xvii, 538 p. :  ill. ;  28 cm. 
 - Schaum's outline series .