Christensen, Howarrd B. <br/><br/>
Statistics Step by Step 
HOWARD B. CHRISTENSEN   
 - Atlanta  Houghton Mifflin Company  1977 
 - xvi,643 pages;24cm 
<br/><br/> includes appendices and index. 
<br/><br/><label>ISBN: </label>0-395-24527-3 
<br/><br/><label>Dewey Class. No.: </label>001.4 C46