Preface to the Twelfth Edition

Introduction

IBM® SPSS Statistics software (“SPSS®”) is a statistical package produced by IBM, Inc. Prior to 2009, SPSS was a separate company and produced statistical software under the SPSS and PASW names. IBM SPSS Statistics is designed to perform a wide range of statistical procedures. As with any other powerful program for the computer, there are certain conventions and techniques that must be mastered for efficient use of the software and to obtain consistently correct answers. By providing detailed, step-by-step guidance illustrated with examples, this book will help you attain such mastery.

In addition to showing you how to enter data and obtain results, this book explains how to select appropriate statistics ...

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