Spiegel , Murray R. <br/><br/>
Schaum's oultine of theory and problems of statistics 

 - 3rd ed. 
 - New Delhi  Tata McGraw Hill  1998 
 - xvii p. + 538 
<br/><br/><label>ISBN: </label>0-07-043510-3 
<br/><br/><label>Dewey Class. No.: </label>519.5 Sp43S