Siegel, Andrew F..
Practical business statistics /
Andrew F. Siegel 
. - 5th edition 
. - Boston : McGraw-Hill,  Irwin,  2003 
. - xxvi, 854 p.  ill.  26 cm.  1 CD-Rom 
 - McGraw-Hill/Irwin series : operations and decision sciences .
<br/><label>  ISBN: </label>0-07-249905-2