Spiegel, Murray R. <br/><br/>
Theory and problems of statistics /  
Murray R. Spiegel. 
 - new york :  Schaum Publishing Company  1961. 
 - 359 p.   il.   28 cm. 
 - Schaum's outline series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTADISTICA