Research Methodolgy

Topics: Statistics, Statistical hypothesis testing, Non-parametric statistics Pages: 2300 (329375 words) Published: December 18, 2012
This is an electronic version of the print textbook. Due to electronic rights restrictions, some third party content may be suppressed. Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. The publisher reserves the right to remove content from this title at any time if subsequent rights restrictions require it. For valuable information on pricing, previous editions, changes to current editions, and alternate formats, please visit to search by ISBN#, author, title, or keyword for materials in your areas of interest.

Statistics for the
Behavioral Sciences

This page intentionally left blank

Statistics for the
Behavioral Sciences
Ninth Edition

Frederick J Gravetter
The College at Brockport, State University of New York

Larry B. Wallnau
The College at Brockport, State University of New York

Australia Brazil Japan Korea Mexico Singapore Spain United Kingdom United States

Statistics for the Behavioral Sciences,
Ninth Edition
Frederick J Gravetter and Larry B. Wallnau
Publisher: Jon-David Hague
Psychology Editor: Tim Matray
Developmental Editor: Tangelique Williams
Freelance Developmental Editor:
Liana Sarkisian
Assistant Editor: Kelly Miller
Editorial Assistant: Lauren K. Moody
Media Editor: Mary Noel
Marketing Program Manager: Sean Foy
Marketing Communications Manager: Laura
Content Project Manager: Charlene M. Carpentier
Design Director: Rob Hugel
Art Director: Pam Galbreath
Manufacturing Planner: Judy Inouye
Rights Acquisitions Specialist: Tom McDonough
Production Service: Graphic World Inc.
Text Designer: Cheryl Carrington
Text Researcher: Karyn Morrison
Copy Editor: Graphic World Inc.
Illustrator: Graphic World Inc.
Cover Designer: Cheryl Carrington
Cover Image: Edouard Benedictus, Dover
Compositor: Graphic World Inc.

© 2013, 2010 Wadsworth, Cengage Learning
ALL RIGHTS RESERVED. No part of this work covered by the copyright herein may be reproduced, transmitted, stored, or used in any form or by any means, graphic, electronic, or mechanical, including but not limited to photocopying, recording, scanning, digitizing, taping, Web distribution, information networks, or information storage and retrieval systems, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without the prior written permission of the publisher.

Unless otherwise noted, all art is © Cengage Learning

For product information and technology assistance, contact us at Cengage Learning Customer & Sales Support, 1-800-354-9706.
For permission to use material from this text or product,
submit all requests online at
Further permissions questions can be e-mailed to

Library of Congress Control Number: 2011934937
Student Edition:
ISBN-13: 978-1-111-83099-1
ISBN-10: 1-111-83099-1
Loose-leaf Edition:
ISBN-13: 978-1-111-83576-7
ISBN-10: 1-111-83576-4

20 Davis Drive
Belmont, CA 94002-3098

Cengage Learning is a leading provider of customized learning solutions with office locations around the globe, including Singapore, the United Kingdom, Australia, Mexico, Brazil, and Japan. Locate your local office at

Cengage Learning products are represented in Canada by Nelson Education, Ltd.

For your course and learning solutions, visit

Printed in the United States of America
1 2 3 4 5 6 7 15 14 13 12 11

Purchase any of our products at your local college store or at our preferred online store

Contents in Brief

Introduction and Descriptive Statistics
Chapter 1 Introduction to Statistics 3
Chapter 2 Frequency Distributions 37
Chapter 3 Central Tendency 71
Chapter 4 Variability 103


Foundations of Inferential Statistics
Chapter 5

z-Scores: Location of Scores and Standardized...
Continue Reading

Please join StudyMode to read the full document

You May Also Find These Documents Helpful

  • Essay about Applied research questions
  • Essay about How Is Research Used in Psychology
  • Research Methodology Essay
  • Research Methodology Essay
  • Statistics in Research Research Paper
  • Casual Comparative-Research Essay
  • Media Research Methodology Essay
  • Research Design and Statistics Concepts Worksheet Essay

Become a StudyMode Member

Sign Up - It's Free