Spiegel, Murray, R. <br/><br/>
Theory and problems of statistics 

 - Sydney  Mc Graw Hills Company  1961 
 - Schaum's out line series .
<br/><br/><label>Subjects--Index Terms: </label>Statistical mathematics  
<br/><br/><label>Dewey Class. No.: </label>519.5  / K1;1