STATS MODELING THE WORLD 3RD EDITION SOFTWARE

Bock taught mathematics at Ithaca High School for 35 years. To Sylvia, who has helped me in more ways than sheвЂ™ll ever know, and to Nicholas, Scyrine, Frederick, and Alexandra, who make me so proud in everything that they are and do -Dick To my sons, David and Zev, from whom IвЂ™ve learned so much, and to my wife, Sue, for taking a chance on me -Paul To Greg and Becca, great fun as kids and great friends as adults, and especially to my wife and best friend, Joanna, for her understanding, encouragement, and love -Dave For information on obtaining permission for use of material in this work, please submit a written request to Pearson Education, Inc., Rights and Contracts Department, 501 Boylston Street, Boston, MA 02116, fax your request to 61, or e-mail at. 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, or otherwise, without the prior written permission of the publisher. TI-Nspire and the TI-Nspire logo are trademarks of Texas Instruments, Inc. Where those designations appear in this book, and Addison-Wesley was aware of a trademark claim, the designations have been printed in initial caps or all caps. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. QA276.12.B628 2010 519.5-dc22 2008029019 For permission to use copyrighted material, grateful acknowledgement has been made to the copyright holders listed in Appendix D, which is hereby made part of this copyright page. Library of Congress Cataloging-in-Publication Data Bock, David E. Atkinson Marianne Groth Christine Stavrou Edward Chappell (MathXL) and Marty Wright (TestGen) Alex Gay Kathleen DeChavez Joe Vetere Caroline Fell Carol Melville Ginny Michaud Pre-Press PMG The Davis Group, Inc.

STATS MODELING THE WORLD 3RD EDITION SOFTWARE

Bock Ithaca High School Cornell UniversityДЄddison-Wesley Boston San Francisco New York London Toronto Sydney Tokyo Singapore Madrid Mexico City Munich Paris Cape Town Hong Kong MontrealД®ditor in Chief Acquisitions Editor Senior Editor, AP and Electives Assistant Editor Editorial Assistant Senior Project Editor Senior Managing Editor Senior Production Supervisor Cover Design Digital Assets Manager Media Producer Software Development Marketing Manager Marketing Coordinator Senior Author Support/ Technology Specialist Senior Prepress Supervisor Senior Manufacturing Buyer Senior Media Buyer Production Coordination, Composition, and Illustrations Interior Design Cover PhotoДeirdre Lynch Christopher Cummings Andrea Sheehan Christina Lepre Dana Jones Chere Bemelmans Karen Wernholm Sheila Spinney Barbara T. Se sx !n 2 1 (compute with technology) se2 SE 21b12 # 1xn - x 22 + B n SE 2 1b12 Linear Regression t-Test or Confidence Interval for b Histogram of residuals is approximately unimodal and symmetric, or normal probability plot reasonably straight.* (*less critical as n increases) Association between two quantitative variables ( b = 0?) 1.Goodness of fit (df = # of cells - 1 one variable, one sample compared with population model) 1.Both histograms are unimodal and symmetric.* Histogram of differences is unimodal and symmetric.* 1. Successes and failures each Гљ 10 for both groups.ДЎ. Both are SRSs and n 6 10% of populations OR random allocation. (Think about how the data were collected.) 2. Both populations are Normal.ДЄnd the Conditions That Support or Override ThemДЎ. Two independent groups (df from technology) 1.

Assumptions for Inference Proportions (z)

Stats modeling the world 3rd edition