Introduction to the Practice of Statistics

NINTH EDITION

David S. Moore

George P. McCabe

Bruce A. Craig

Purdue University

Vice President, STEM: Ben Roberts

Publisher: Terri Ward

Senior Acquisitions Editor: Karen Carson

Marketing Manager: Tom DeMarco

Marketing Assistant: Cate McCaffery

Development Editor: Jorge Amaral

Senior Media Editor: Catriona Kaplan

Assistant Media Editor: Emily Tenenbaum

Director of Digital Production: Keri deManigold

Senior Media Producer: Alison Lorber

Associate Editor: Victoria Garvey

Editorial Assistant: Katharine Munz

Photo Editor: Cecilia Varas

Photo Researcher: Candice Cheesman

Director of Design, Content Management: Diana Blume

Text and Cover Designer: Blake Logan

Project Editor: Edward Dionne, MPS North America LLC

Illustrations: MPS North America LLC

Production Manager: Susan Wein

Composition: MPS North America LLC

Printing and Binding: RR Donnelley

Cover Illustration: Drawing Water: Spring 2011 detail (Midwest) by David Wicks

“Look Back” Arrow: NewCorner/Shutterstock

Library of Congress Control Number: 2016946039

Student Edition Hardcover:

ISBN-13: 978-1-319-01338-7

ISBN-10: 1-319-01338-4

Student Edition Loose-leaf:

ISBN-13: 978-1-319-01362-2

ISBN-10: 1-319-01362-7

Instructor Complimentary Copy:

ISBN-13: 978-1-319-01428-5

ISBN-10: 1-319-01428-3

Printed in the United States of America

First printing

W. H. Freeman and Company

One New York Plaza

Suite 4500

New York, NY 10004-1562