Elementary statistics / 
Janet T. Spence ... [et al.]. 
 - 4th ed. 
 - Englewood Cliffs, N.J.  Prentice-Hall  1983 
 - x, 334p.  ill.  25 cm. 
 - The Century psychology series .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0132601419  RM67.27 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Statistical methods.<br/>Psychometrics.