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Gordon S. Linoff Data Analysis Using SQL and Excel ? Wiley Publishing, Inc. :WileyRed 8/27/07 4:15 PM Page iii :WileyRed 8/27/07 4:15 PM Page ii Data Analysis Using SQL and Excel ? :WileyRed 8/27/07 4:15 PM Page i :WileyRed 8/27/07 4:15 PM Page ii Gordon S. Linoff Data Analysis Using SQL and Excel ? Wiley Publishing, Inc. :WileyRed 8/27/07 4:15 PM Page iii Data Analysis Using SQL and Excel Published byWiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 yright ? 2008 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN: 978-0-470-09951-3 Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1 No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at /permissions . Limit of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with respect to the accuracy pleteness of the contents of this work and specif- ically disclaim all warranties, including without limitation warranties of fitness for a particular purpose. No warranty may be created or extended by sales or promotional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold with the understanding that th