Gupta, C. B. <br/><br/>
Introduction to Statistical Methods 

 - 9th rev.ed. 
 - New Delhi  Vikas Publishing House Pvt. Ltd.  1981 
 - various pagination   
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<br/><br/><label>Subjects--Index Terms: </label>Introduction to statistical methods 
<br/><br/><label>Dewey Class. No.: </label>519.2