Christensen,Howard B. <br/><br/>
Statistics step by step / 
Howard B. Christensen. 
 - Atlanta :  Houghton Mifflin,  1977. 
 - 643 p. 
<br/><br/><label>ISBN: </label>0395245273 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Introductory statistics.<br/>Statistics.
<br/><br/><label>LC Class. No.: </label>QA276.12  / .C57