Erickson, Bonnie H <br/><br/>
Understanding data/ 
Bonnie H. Erickson, T. A. Nosanchuk 
 - Milton Keynes  The Open University Press  1979 
 - 388 p. :  ill. ;  23 cm. 
<br/><br/> Includes indexes 
<br/><br/>p. 383-384 
<br/><br/><label>ISBN: </label>0335002528 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics<br/>Social sciences--Statistical methods