Statistics :  a guide to the unknown / 
Roxy Peck ... [et al.] 
 - 4th ed. 
 - Belmont, CA :  Thomson, Brooks/Cole,  2006 
 - xxiv, 440 p. :  col. ill. ;  24 cm. 
<br/><br/> At head of title: Duxbury 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0534372821  RM197.51 
<br/><br/><label>LCCN: </label>2004-116710 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics