Walker, Helen M.  <br/><br/>
Statistical inference / 
Helen M. Walker and Joseph Lev. 
 - New York  :   Holt, Rinehart and Winston,  c 1953. 
 - xi, 510 p. :  ill. ;  24 cm. 
<br/><br/> Include index. 
<br/><br/>৩১৪  ৩১৪ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inferential Statistics.
<br/><br/><label>Dewey Class. No.: </label>311 / W151s