Spence, J. T. [et al] <br/><br/>
Elementary statistics   
by J. T. Spence.[ et al] 
 - third 
 - Englewood Cliffs  Prentice Hall  1976 
 - vi, 282p. 
 - Century psychology series .
<br/><br/><label>ISBN: </label>0132601095 
<br/><br/><label>Dewey Class. No.: </label>519.5  / N76